diff --git a/modules/backend/db/db.go b/modules/backend/db/db.go
new file mode 100644
index 0000000..9d485b5
--- /dev/null
+++ b/modules/backend/db/db.go
@@ -0,0 +1,32 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.30.0
+
+package db
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
+)
+
+type DBTX interface {
+	Exec(context.Context, string, ...interface{}) (pgconn.CommandTag, error)
+	Query(context.Context, string, ...interface{}) (pgx.Rows, error)
+	QueryRow(context.Context, string, ...interface{}) pgx.Row
+}
+
+func New(db DBTX) *Queries {
+	return &Queries{db: db}
+}
+
+type Queries struct {
+	db DBTX
+}
+
+func (q *Queries) WithTx(tx pgx.Tx) *Queries {
+	return &Queries{
+		db: tx,
+	}
+}
diff --git a/modules/backend/db/models.go b/modules/backend/db/models.go
new file mode 100644
index 0000000..ba76782
--- /dev/null
+++ b/modules/backend/db/models.go
@@ -0,0 +1,266 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.30.0
+
+package db
+
+import (
+	"database/sql/driver"
+	"fmt"
+
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+type ReleaseSeasonT string
+
+const (
+	ReleaseSeasonTWinter ReleaseSeasonT = "winter"
+	ReleaseSeasonTSpring ReleaseSeasonT = "spring"
+	ReleaseSeasonTSummer ReleaseSeasonT = "summer"
+	ReleaseSeasonTFall   ReleaseSeasonT = "fall"
+)
+
+func (e *ReleaseSeasonT) Scan(src interface{}) error {
+	switch s := src.(type) {
+	case []byte:
+		*e = ReleaseSeasonT(s)
+	case string:
+		*e = ReleaseSeasonT(s)
+	default:
+		return fmt.Errorf("unsupported scan type for ReleaseSeasonT: %T", src)
+	}
+	return nil
+}
+
+type NullReleaseSeasonT struct {
+	ReleaseSeasonT ReleaseSeasonT `json:"release_season_t"`
+	Valid          bool           `json:"valid"` // Valid is true if ReleaseSeasonT is not NULL
+}
+
+// Scan implements the Scanner interface.
+func (ns *NullReleaseSeasonT) Scan(value interface{}) error {
+	if value == nil {
+		ns.ReleaseSeasonT, ns.Valid = "", false
+		return nil
+	}
+	ns.Valid = true
+	return ns.ReleaseSeasonT.Scan(value)
+}
+
+// Value implements the driver Valuer interface.
+func (ns NullReleaseSeasonT) Value() (driver.Value, error) {
+	if !ns.Valid {
+		return nil, nil
+	}
+	return string(ns.ReleaseSeasonT), nil
+}
+
+type StorageTypeT string
+
+const (
+	StorageTypeTLocal StorageTypeT = "local"
+	StorageTypeTS3    StorageTypeT = "s3"
+)
+
+func (e *StorageTypeT) Scan(src interface{}) error {
+	switch s := src.(type) {
+	case []byte:
+		*e = StorageTypeT(s)
+	case string:
+		*e = StorageTypeT(s)
+	default:
+		return fmt.Errorf("unsupported scan type for StorageTypeT: %T", src)
+	}
+	return nil
+}
+
+type NullStorageTypeT struct {
+	StorageTypeT StorageTypeT `json:"storage_type_t"`
+	Valid        bool         `json:"valid"` // Valid is true if StorageTypeT is not NULL
+}
+
+// Scan implements the Scanner interface.
+func (ns *NullStorageTypeT) Scan(value interface{}) error {
+	if value == nil {
+		ns.StorageTypeT, ns.Valid = "", false
+		return nil
+	}
+	ns.Valid = true
+	return ns.StorageTypeT.Scan(value)
+}
+
+// Value implements the driver Valuer interface.
+func (ns NullStorageTypeT) Value() (driver.Value, error) {
+	if !ns.Valid {
+		return nil, nil
+	}
+	return string(ns.StorageTypeT), nil
+}
+
+type TitleStatusT string
+
+const (
+	TitleStatusTFinished TitleStatusT = "finished"
+	TitleStatusTOngoing  TitleStatusT = "ongoing"
+	TitleStatusTPlanned  TitleStatusT = "planned"
+)
+
+func (e *TitleStatusT) Scan(src interface{}) error {
+	switch s := src.(type) {
+	case []byte:
+		*e = TitleStatusT(s)
+	case string:
+		*e = TitleStatusT(s)
+	default:
+		return fmt.Errorf("unsupported scan type for TitleStatusT: %T", src)
+	}
+	return nil
+}
+
+type NullTitleStatusT struct {
+	TitleStatusT TitleStatusT `json:"title_status_t"`
+	Valid        bool         `json:"valid"` // Valid is true if TitleStatusT is not NULL
+}
+
+// Scan implements the Scanner interface.
+func (ns *NullTitleStatusT) Scan(value interface{}) error {
+	if value == nil {
+		ns.TitleStatusT, ns.Valid = "", false
+		return nil
+	}
+	ns.Valid = true
+	return ns.TitleStatusT.Scan(value)
+}
+
+// Value implements the driver Valuer interface.
+func (ns NullTitleStatusT) Value() (driver.Value, error) {
+	if !ns.Valid {
+		return nil, nil
+	}
+	return string(ns.TitleStatusT), nil
+}
+
+type UsertitleStatusT string
+
+const (
+	UsertitleStatusTFinished   UsertitleStatusT = "finished"
+	UsertitleStatusTPlanned    UsertitleStatusT = "planned"
+	UsertitleStatusTDropped    UsertitleStatusT = "dropped"
+	UsertitleStatusTInProgress UsertitleStatusT = "in-progress"
+)
+
+func (e *UsertitleStatusT) Scan(src interface{}) error {
+	switch s := src.(type) {
+	case []byte:
+		*e = UsertitleStatusT(s)
+	case string:
+		*e = UsertitleStatusT(s)
+	default:
+		return fmt.Errorf("unsupported scan type for UsertitleStatusT: %T", src)
+	}
+	return nil
+}
+
+type NullUsertitleStatusT struct {
+	UsertitleStatusT UsertitleStatusT `json:"usertitle_status_t"`
+	Valid            bool             `json:"valid"` // Valid is true if UsertitleStatusT is not NULL
+}
+
+// Scan implements the Scanner interface.
+func (ns *NullUsertitleStatusT) Scan(value interface{}) error {
+	if value == nil {
+		ns.UsertitleStatusT, ns.Valid = "", false
+		return nil
+	}
+	ns.Valid = true
+	return ns.UsertitleStatusT.Scan(value)
+}
+
+// Value implements the driver Valuer interface.
+func (ns NullUsertitleStatusT) Value() (driver.Value, error) {
+	if !ns.Valid {
+		return nil, nil
+	}
+	return string(ns.UsertitleStatusT), nil
+}
+
+type Images struct {
+	ImageID     int32        `db:"image_id" json:"image_id"`
+	StorageType StorageTypeT `db:"storage_type" json:"storage_type"`
+	ImagePath   string       `db:"image_path" json:"image_path"`
+}
+
+type Providers struct {
+	ProviderID   int32  `db:"provider_id" json:"provider_id"`
+	ProviderName string `db:"provider_name" json:"provider_name"`
+}
+
+type Reviews struct {
+	ReviewID     int32            `db:"review_id" json:"review_id"`
+	UserID       int32            `db:"user_id" json:"user_id"`
+	TitleID      int32            `db:"title_id" json:"title_id"`
+	ImageIds     []int32          `db:"image_ids" json:"image_ids"`
+	ReviewText   string           `db:"review_text" json:"review_text"`
+	CreationDate pgtype.Timestamp `db:"creation_date" json:"creation_date"`
+}
+
+type Signals struct {
+	SignalID   int32  `db:"signal_id" json:"signal_id"`
+	RawData    []byte `db:"raw_data" json:"raw_data"`
+	ProviderID int32  `db:"provider_id" json:"provider_id"`
+	Dirty      bool   `db:"dirty" json:"dirty"`
+}
+
+type Studios struct {
+	StudioID   int32       `db:"studio_id" json:"studio_id"`
+	StudioName pgtype.Text `db:"studio_name" json:"studio_name"`
+	IllustID   pgtype.Int4 `db:"illust_id" json:"illust_id"`
+	StudioDesc pgtype.Text `db:"studio_desc" json:"studio_desc"`
+}
+
+type Tags struct {
+	TagID    int32  `db:"tag_id" json:"tag_id"`
+	TagNames []byte `db:"tag_names" json:"tag_names"`
+}
+
+type TitleTags struct {
+	TitleID int32 `db:"title_id" json:"title_id"`
+	TagID   int32 `db:"tag_id" json:"tag_id"`
+}
+
+type Titles struct {
+	TitleID       int32              `db:"title_id" json:"title_id"`
+	TitleNames    []byte             `db:"title_names" json:"title_names"`
+	StudioID      int32              `db:"studio_id" json:"studio_id"`
+	PosterID      pgtype.Int4        `db:"poster_id" json:"poster_id"`
+	SignalIds     []int32            `db:"signal_ids" json:"signal_ids"`
+	TitleStatus   TitleStatusT       `db:"title_status" json:"title_status"`
+	Rating        pgtype.Float8      `db:"rating" json:"rating"`
+	RatingCount   pgtype.Int4        `db:"rating_count" json:"rating_count"`
+	ReleaseYear   pgtype.Int4        `db:"release_year" json:"release_year"`
+	ReleaseSeason NullReleaseSeasonT `db:"release_season" json:"release_season"`
+	Season        pgtype.Int4        `db:"season" json:"season"`
+	EpisodesAired pgtype.Int4        `db:"episodes_aired" json:"episodes_aired"`
+	EpisodesAll   pgtype.Int4        `db:"episodes_all" json:"episodes_all"`
+	EpisodesLen   []byte             `db:"episodes_len" json:"episodes_len"`
+}
+
+type Users struct {
+	UserID       int32            `db:"user_id" json:"user_id"`
+	AvatarID     pgtype.Int4      `db:"avatar_id" json:"avatar_id"`
+	Passhash     string           `db:"passhash" json:"passhash"`
+	Mail         pgtype.Text      `db:"mail" json:"mail"`
+	Nickname     string           `db:"nickname" json:"nickname"`
+	DispName     pgtype.Text      `db:"disp_name" json:"disp_name"`
+	UserDesc     pgtype.Text      `db:"user_desc" json:"user_desc"`
+	CreationDate pgtype.Timestamp `db:"creation_date" json:"creation_date"`
+}
+
+type Usertitles struct {
+	UsertitleID int32            `db:"usertitle_id" json:"usertitle_id"`
+	UserID      int32            `db:"user_id" json:"user_id"`
+	TitleID     int32            `db:"title_id" json:"title_id"`
+	Status      UsertitleStatusT `db:"status" json:"status"`
+	Rate        pgtype.Int4      `db:"rate" json:"rate"`
+	ReviewID    pgtype.Int4      `db:"review_id" json:"review_id"`
+}
diff --git a/modules/backend/db/query.sql.go b/modules/backend/db/query.sql.go
new file mode 100644
index 0000000..1fc06ac
--- /dev/null
+++ b/modules/backend/db/query.sql.go
@@ -0,0 +1,712 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.30.0
+// source: query.sql
+
+package db
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+const createImage = `-- name: CreateImage :one
+INSERT INTO images (storage_type, image_path)
+VALUES ($1, $2)
+RETURNING image_id, storage_type, image_path
+`
+
+type CreateImageParams struct {
+	StorageType StorageTypeT `db:"storage_type" json:"storage_type"`
+	ImagePath   string       `db:"image_path" json:"image_path"`
+}
+
+func (q *Queries) CreateImage(ctx context.Context, arg CreateImageParams) (Images, error) {
+	row := q.db.QueryRow(ctx, createImage, arg.StorageType, arg.ImagePath)
+	var i Images
+	err := row.Scan(&i.ImageID, &i.StorageType, &i.ImagePath)
+	return i, err
+}
+
+const createReview = `-- name: CreateReview :one
+INSERT INTO reviews (user_id, title_id, image_ids, review_text, creation_date)
+VALUES ($1, $2, $3, $4, $5)
+RETURNING review_id, user_id, title_id, image_ids, review_text, creation_date
+`
+
+type CreateReviewParams struct {
+	UserID       int32            `db:"user_id" json:"user_id"`
+	TitleID      int32            `db:"title_id" json:"title_id"`
+	ImageIds     []int32          `db:"image_ids" json:"image_ids"`
+	ReviewText   string           `db:"review_text" json:"review_text"`
+	CreationDate pgtype.Timestamp `db:"creation_date" json:"creation_date"`
+}
+
+func (q *Queries) CreateReview(ctx context.Context, arg CreateReviewParams) (Reviews, error) {
+	row := q.db.QueryRow(ctx, createReview,
+		arg.UserID,
+		arg.TitleID,
+		arg.ImageIds,
+		arg.ReviewText,
+		arg.CreationDate,
+	)
+	var i Reviews
+	err := row.Scan(
+		&i.ReviewID,
+		&i.UserID,
+		&i.TitleID,
+		&i.ImageIds,
+		&i.ReviewText,
+		&i.CreationDate,
+	)
+	return i, err
+}
+
+const createUser = `-- name: CreateUser :one
+INSERT INTO users (avatar_id, passhash, mail, nickname, disp_name, user_desc, creation_date)
+VALUES ($1, $2, $3, $4, $5, $6, $7)
+RETURNING user_id, avatar_id, nickname, disp_name, user_desc, creation_date
+`
+
+type CreateUserParams struct {
+	AvatarID     pgtype.Int4      `db:"avatar_id" json:"avatar_id"`
+	Passhash     string           `db:"passhash" json:"passhash"`
+	Mail         pgtype.Text      `db:"mail" json:"mail"`
+	Nickname     string           `db:"nickname" json:"nickname"`
+	DispName     pgtype.Text      `db:"disp_name" json:"disp_name"`
+	UserDesc     pgtype.Text      `db:"user_desc" json:"user_desc"`
+	CreationDate pgtype.Timestamp `db:"creation_date" json:"creation_date"`
+}
+
+type CreateUserRow struct {
+	UserID       int32            `db:"user_id" json:"user_id"`
+	AvatarID     pgtype.Int4      `db:"avatar_id" json:"avatar_id"`
+	Nickname     string           `db:"nickname" json:"nickname"`
+	DispName     pgtype.Text      `db:"disp_name" json:"disp_name"`
+	UserDesc     pgtype.Text      `db:"user_desc" json:"user_desc"`
+	CreationDate pgtype.Timestamp `db:"creation_date" json:"creation_date"`
+}
+
+func (q *Queries) CreateUser(ctx context.Context, arg CreateUserParams) (CreateUserRow, error) {
+	row := q.db.QueryRow(ctx, createUser,
+		arg.AvatarID,
+		arg.Passhash,
+		arg.Mail,
+		arg.Nickname,
+		arg.DispName,
+		arg.UserDesc,
+		arg.CreationDate,
+	)
+	var i CreateUserRow
+	err := row.Scan(
+		&i.UserID,
+		&i.AvatarID,
+		&i.Nickname,
+		&i.DispName,
+		&i.UserDesc,
+		&i.CreationDate,
+	)
+	return i, err
+}
+
+const createUserTitle = `-- name: CreateUserTitle :one
+INSERT INTO usertitles (user_id, title_id, status, rate, review_id)
+VALUES ($1, $2, $3, $4, $5)
+RETURNING usertitle_id, user_id, title_id, status, rate, review_id
+`
+
+type CreateUserTitleParams struct {
+	UserID   int32            `db:"user_id" json:"user_id"`
+	TitleID  int32            `db:"title_id" json:"title_id"`
+	Status   UsertitleStatusT `db:"status" json:"status"`
+	Rate     pgtype.Int4      `db:"rate" json:"rate"`
+	ReviewID pgtype.Int4      `db:"review_id" json:"review_id"`
+}
+
+func (q *Queries) CreateUserTitle(ctx context.Context, arg CreateUserTitleParams) (Usertitles, error) {
+	row := q.db.QueryRow(ctx, createUserTitle,
+		arg.UserID,
+		arg.TitleID,
+		arg.Status,
+		arg.Rate,
+		arg.ReviewID,
+	)
+	var i Usertitles
+	err := row.Scan(
+		&i.UsertitleID,
+		&i.UserID,
+		&i.TitleID,
+		&i.Status,
+		&i.Rate,
+		&i.ReviewID,
+	)
+	return i, err
+}
+
+const deleteReview = `-- name: DeleteReview :exec
+DELETE FROM reviews
+WHERE review_id = $1
+`
+
+func (q *Queries) DeleteReview(ctx context.Context, reviewID int32) error {
+	_, err := q.db.Exec(ctx, deleteReview, reviewID)
+	return err
+}
+
+const deleteUser = `-- name: DeleteUser :exec
+DELETE FROM users
+WHERE user_id = $1
+`
+
+func (q *Queries) DeleteUser(ctx context.Context, userID int32) error {
+	_, err := q.db.Exec(ctx, deleteUser, userID)
+	return err
+}
+
+const deleteUserTitle = `-- name: DeleteUserTitle :exec
+DELETE FROM usertitles
+WHERE user_id = $1 AND ($2::int IS NULL OR title_id = $2)
+`
+
+type DeleteUserTitleParams struct {
+	UserID  int32 `db:"user_id" json:"user_id"`
+	Column2 int32 `db:"column_2" json:"column_2"`
+}
+
+func (q *Queries) DeleteUserTitle(ctx context.Context, arg DeleteUserTitleParams) error {
+	_, err := q.db.Exec(ctx, deleteUserTitle, arg.UserID, arg.Column2)
+	return err
+}
+
+const getImageByID = `-- name: GetImageByID :one
+SELECT image_id, storage_type, image_path
+FROM images
+WHERE image_id = $1
+`
+
+func (q *Queries) GetImageByID(ctx context.Context, imageID int32) (Images, error) {
+	row := q.db.QueryRow(ctx, getImageByID, imageID)
+	var i Images
+	err := row.Scan(&i.ImageID, &i.StorageType, &i.ImagePath)
+	return i, err
+}
+
+const getReviewByID = `-- name: GetReviewByID :one
+SELECT review_id, user_id, title_id, image_ids, review_text, creation_date
+FROM reviews
+WHERE review_id = $1
+`
+
+func (q *Queries) GetReviewByID(ctx context.Context, reviewID int32) (Reviews, error) {
+	row := q.db.QueryRow(ctx, getReviewByID, reviewID)
+	var i Reviews
+	err := row.Scan(
+		&i.ReviewID,
+		&i.UserID,
+		&i.TitleID,
+		&i.ImageIds,
+		&i.ReviewText,
+		&i.CreationDate,
+	)
+	return i, err
+}
+
+const getTitleByID = `-- name: GetTitleByID :one
+SELECT title_id, title_names, studio_id, poster_id, signal_ids,
+       title_status, rating, rating_count, release_year, release_season,
+       season, episodes_aired, episodes_all, episodes_len
+FROM titles
+WHERE title_id = $1
+`
+
+func (q *Queries) GetTitleByID(ctx context.Context, titleID int32) (Titles, error) {
+	row := q.db.QueryRow(ctx, getTitleByID, titleID)
+	var i Titles
+	err := row.Scan(
+		&i.TitleID,
+		&i.TitleNames,
+		&i.StudioID,
+		&i.PosterID,
+		&i.SignalIds,
+		&i.TitleStatus,
+		&i.Rating,
+		&i.RatingCount,
+		&i.ReleaseYear,
+		&i.ReleaseSeason,
+		&i.Season,
+		&i.EpisodesAired,
+		&i.EpisodesAll,
+		&i.EpisodesLen,
+	)
+	return i, err
+}
+
+const getUserByID = `-- name: GetUserByID :one
+SELECT user_id, avatar_id, passhash, mail, nickname, disp_name, user_desc, creation_date
+FROM users
+WHERE user_id = $1
+`
+
+func (q *Queries) GetUserByID(ctx context.Context, userID int32) (Users, error) {
+	row := q.db.QueryRow(ctx, getUserByID, userID)
+	var i Users
+	err := row.Scan(
+		&i.UserID,
+		&i.AvatarID,
+		&i.Passhash,
+		&i.Mail,
+		&i.Nickname,
+		&i.DispName,
+		&i.UserDesc,
+		&i.CreationDate,
+	)
+	return i, err
+}
+
+const getUserTitle = `-- name: GetUserTitle :one
+SELECT usertitle_id, user_id, title_id, status, rate, review_id
+FROM usertitles
+WHERE user_id = $1 AND title_id = $2
+`
+
+type GetUserTitleParams struct {
+	UserID  int32 `db:"user_id" json:"user_id"`
+	TitleID int32 `db:"title_id" json:"title_id"`
+}
+
+func (q *Queries) GetUserTitle(ctx context.Context, arg GetUserTitleParams) (Usertitles, error) {
+	row := q.db.QueryRow(ctx, getUserTitle, arg.UserID, arg.TitleID)
+	var i Usertitles
+	err := row.Scan(
+		&i.UsertitleID,
+		&i.UserID,
+		&i.TitleID,
+		&i.Status,
+		&i.Rate,
+		&i.ReviewID,
+	)
+	return i, err
+}
+
+const listReviewsByTitle = `-- name: ListReviewsByTitle :many
+SELECT review_id, user_id, title_id, image_ids, review_text, creation_date
+FROM reviews
+WHERE title_id = $1
+ORDER BY creation_date DESC
+LIMIT $2 OFFSET $3
+`
+
+type ListReviewsByTitleParams struct {
+	TitleID int32 `db:"title_id" json:"title_id"`
+	Limit   int32 `db:"limit" json:"limit"`
+	Offset  int32 `db:"offset" json:"offset"`
+}
+
+func (q *Queries) ListReviewsByTitle(ctx context.Context, arg ListReviewsByTitleParams) ([]Reviews, error) {
+	rows, err := q.db.Query(ctx, listReviewsByTitle, arg.TitleID, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []Reviews
+	for rows.Next() {
+		var i Reviews
+		if err := rows.Scan(
+			&i.ReviewID,
+			&i.UserID,
+			&i.TitleID,
+			&i.ImageIds,
+			&i.ReviewText,
+			&i.CreationDate,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listReviewsByUser = `-- name: ListReviewsByUser :many
+SELECT review_id, user_id, title_id, image_ids, review_text, creation_date
+FROM reviews
+WHERE user_id = $1
+ORDER BY creation_date DESC
+LIMIT $2 OFFSET $3
+`
+
+type ListReviewsByUserParams struct {
+	UserID int32 `db:"user_id" json:"user_id"`
+	Limit  int32 `db:"limit" json:"limit"`
+	Offset int32 `db:"offset" json:"offset"`
+}
+
+func (q *Queries) ListReviewsByUser(ctx context.Context, arg ListReviewsByUserParams) ([]Reviews, error) {
+	rows, err := q.db.Query(ctx, listReviewsByUser, arg.UserID, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []Reviews
+	for rows.Next() {
+		var i Reviews
+		if err := rows.Scan(
+			&i.ReviewID,
+			&i.UserID,
+			&i.TitleID,
+			&i.ImageIds,
+			&i.ReviewText,
+			&i.CreationDate,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listTags = `-- name: ListTags :many
+SELECT tag_id, tag_names
+FROM tags
+ORDER BY tag_id
+LIMIT $1 OFFSET $2
+`
+
+type ListTagsParams struct {
+	Limit  int32 `db:"limit" json:"limit"`
+	Offset int32 `db:"offset" json:"offset"`
+}
+
+func (q *Queries) ListTags(ctx context.Context, arg ListTagsParams) ([]Tags, error) {
+	rows, err := q.db.Query(ctx, listTags, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []Tags
+	for rows.Next() {
+		var i Tags
+		if err := rows.Scan(&i.TagID, &i.TagNames); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listTitles = `-- name: ListTitles :many
+SELECT title_id, title_names, studio_id, poster_id, signal_ids,
+       title_status, rating, rating_count, release_year, release_season,
+       season, episodes_aired, episodes_all, episodes_len
+FROM titles
+ORDER BY title_id
+LIMIT $1 OFFSET $2
+`
+
+type ListTitlesParams struct {
+	Limit  int32 `db:"limit" json:"limit"`
+	Offset int32 `db:"offset" json:"offset"`
+}
+
+func (q *Queries) ListTitles(ctx context.Context, arg ListTitlesParams) ([]Titles, error) {
+	rows, err := q.db.Query(ctx, listTitles, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []Titles
+	for rows.Next() {
+		var i Titles
+		if err := rows.Scan(
+			&i.TitleID,
+			&i.TitleNames,
+			&i.StudioID,
+			&i.PosterID,
+			&i.SignalIds,
+			&i.TitleStatus,
+			&i.Rating,
+			&i.RatingCount,
+			&i.ReleaseYear,
+			&i.ReleaseSeason,
+			&i.Season,
+			&i.EpisodesAired,
+			&i.EpisodesAll,
+			&i.EpisodesLen,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listUserTitles = `-- name: ListUserTitles :many
+SELECT usertitle_id, user_id, title_id, status, rate, review_id
+FROM usertitles
+WHERE user_id = $1
+ORDER BY usertitle_id
+LIMIT $2 OFFSET $3
+`
+
+type ListUserTitlesParams struct {
+	UserID int32 `db:"user_id" json:"user_id"`
+	Limit  int32 `db:"limit" json:"limit"`
+	Offset int32 `db:"offset" json:"offset"`
+}
+
+func (q *Queries) ListUserTitles(ctx context.Context, arg ListUserTitlesParams) ([]Usertitles, error) {
+	rows, err := q.db.Query(ctx, listUserTitles, arg.UserID, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []Usertitles
+	for rows.Next() {
+		var i Usertitles
+		if err := rows.Scan(
+			&i.UsertitleID,
+			&i.UserID,
+			&i.TitleID,
+			&i.Status,
+			&i.Rate,
+			&i.ReviewID,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const listUsers = `-- name: ListUsers :many
+SELECT user_id, avatar_id, passhash, mail, nickname, disp_name, user_desc, creation_date
+FROM users
+ORDER BY user_id
+LIMIT $1 OFFSET $2
+`
+
+type ListUsersParams struct {
+	Limit  int32 `db:"limit" json:"limit"`
+	Offset int32 `db:"offset" json:"offset"`
+}
+
+func (q *Queries) ListUsers(ctx context.Context, arg ListUsersParams) ([]Users, error) {
+	rows, err := q.db.Query(ctx, listUsers, arg.Limit, arg.Offset)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []Users
+	for rows.Next() {
+		var i Users
+		if err := rows.Scan(
+			&i.UserID,
+			&i.AvatarID,
+			&i.Passhash,
+			&i.Mail,
+			&i.Nickname,
+			&i.DispName,
+			&i.UserDesc,
+			&i.CreationDate,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
+const updateReview = `-- name: UpdateReview :one
+UPDATE reviews
+SET
+  image_ids = COALESCE($1, image_ids),
+  review_text = COALESCE($2, review_text)
+WHERE review_id = $3
+RETURNING review_id, user_id, title_id, image_ids, review_text, creation_date
+`
+
+type UpdateReviewParams struct {
+	ImageIds   []int32     `db:"image_ids" json:"image_ids"`
+	ReviewText pgtype.Text `db:"review_text" json:"review_text"`
+	ReviewID   int32       `db:"review_id" json:"review_id"`
+}
+
+func (q *Queries) UpdateReview(ctx context.Context, arg UpdateReviewParams) (Reviews, error) {
+	row := q.db.QueryRow(ctx, updateReview, arg.ImageIds, arg.ReviewText, arg.ReviewID)
+	var i Reviews
+	err := row.Scan(
+		&i.ReviewID,
+		&i.UserID,
+		&i.TitleID,
+		&i.ImageIds,
+		&i.ReviewText,
+		&i.CreationDate,
+	)
+	return i, err
+}
+
+const updateTitle = `-- name: UpdateTitle :one
+UPDATE titles
+SET
+  title_names = COALESCE($1, title_names),
+  studio_id = COALESCE($2, studio_id),
+  poster_id = COALESCE($3, poster_id),
+  signal_ids = COALESCE($4, signal_ids),
+  title_status = COALESCE($5, title_status),
+  release_year = COALESCE($6, release_year),
+  release_season = COALESCE($7, release_season),
+  episodes_aired = COALESCE($8, episodes_aired),
+  episodes_all = COALESCE($9, episodes_all),
+  episodes_len = COALESCE($10, episodes_len)
+WHERE title_id = $11
+RETURNING title_id, title_names, studio_id, poster_id, signal_ids, title_status, rating, rating_count, release_year, release_season, season, episodes_aired, episodes_all, episodes_len
+`
+
+type UpdateTitleParams struct {
+	TitleNames    []byte             `db:"title_names" json:"title_names"`
+	StudioID      pgtype.Int4        `db:"studio_id" json:"studio_id"`
+	PosterID      pgtype.Int4        `db:"poster_id" json:"poster_id"`
+	SignalIds     []int32            `db:"signal_ids" json:"signal_ids"`
+	TitleStatus   NullTitleStatusT   `db:"title_status" json:"title_status"`
+	ReleaseYear   pgtype.Int4        `db:"release_year" json:"release_year"`
+	ReleaseSeason NullReleaseSeasonT `db:"release_season" json:"release_season"`
+	EpisodesAired pgtype.Int4        `db:"episodes_aired" json:"episodes_aired"`
+	EpisodesAll   pgtype.Int4        `db:"episodes_all" json:"episodes_all"`
+	EpisodesLen   []byte             `db:"episodes_len" json:"episodes_len"`
+	TitleID       int32              `db:"title_id" json:"title_id"`
+}
+
+func (q *Queries) UpdateTitle(ctx context.Context, arg UpdateTitleParams) (Titles, error) {
+	row := q.db.QueryRow(ctx, updateTitle,
+		arg.TitleNames,
+		arg.StudioID,
+		arg.PosterID,
+		arg.SignalIds,
+		arg.TitleStatus,
+		arg.ReleaseYear,
+		arg.ReleaseSeason,
+		arg.EpisodesAired,
+		arg.EpisodesAll,
+		arg.EpisodesLen,
+		arg.TitleID,
+	)
+	var i Titles
+	err := row.Scan(
+		&i.TitleID,
+		&i.TitleNames,
+		&i.StudioID,
+		&i.PosterID,
+		&i.SignalIds,
+		&i.TitleStatus,
+		&i.Rating,
+		&i.RatingCount,
+		&i.ReleaseYear,
+		&i.ReleaseSeason,
+		&i.Season,
+		&i.EpisodesAired,
+		&i.EpisodesAll,
+		&i.EpisodesLen,
+	)
+	return i, err
+}
+
+const updateUser = `-- name: UpdateUser :one
+UPDATE users
+SET
+  avatar_id = COALESCE($1, avatar_id),
+  disp_name = COALESCE($2, disp_name),
+  user_desc = COALESCE($3, user_desc)
+WHERE user_id = $4
+RETURNING user_id, avatar_id, nickname, disp_name, user_desc, creation_date
+`
+
+type UpdateUserParams struct {
+	AvatarID pgtype.Int4 `db:"avatar_id" json:"avatar_id"`
+	DispName pgtype.Text `db:"disp_name" json:"disp_name"`
+	UserDesc pgtype.Text `db:"user_desc" json:"user_desc"`
+	UserID   int32       `db:"user_id" json:"user_id"`
+}
+
+type UpdateUserRow struct {
+	UserID       int32            `db:"user_id" json:"user_id"`
+	AvatarID     pgtype.Int4      `db:"avatar_id" json:"avatar_id"`
+	Nickname     string           `db:"nickname" json:"nickname"`
+	DispName     pgtype.Text      `db:"disp_name" json:"disp_name"`
+	UserDesc     pgtype.Text      `db:"user_desc" json:"user_desc"`
+	CreationDate pgtype.Timestamp `db:"creation_date" json:"creation_date"`
+}
+
+func (q *Queries) UpdateUser(ctx context.Context, arg UpdateUserParams) (UpdateUserRow, error) {
+	row := q.db.QueryRow(ctx, updateUser,
+		arg.AvatarID,
+		arg.DispName,
+		arg.UserDesc,
+		arg.UserID,
+	)
+	var i UpdateUserRow
+	err := row.Scan(
+		&i.UserID,
+		&i.AvatarID,
+		&i.Nickname,
+		&i.DispName,
+		&i.UserDesc,
+		&i.CreationDate,
+	)
+	return i, err
+}
+
+const updateUserTitle = `-- name: UpdateUserTitle :one
+UPDATE usertitles
+SET
+  status = COALESCE($3, status),
+  rate = COALESCE($4, rate),
+  review_id = COALESCE($5, review_id)
+WHERE user_id = $1 AND title_id = $2
+RETURNING usertitle_id, user_id, title_id, status, rate, review_id
+`
+
+type UpdateUserTitleParams struct {
+	UserID   int32                `db:"user_id" json:"user_id"`
+	TitleID  int32                `db:"title_id" json:"title_id"`
+	Status   NullUsertitleStatusT `db:"status" json:"status"`
+	Rate     pgtype.Int4          `db:"rate" json:"rate"`
+	ReviewID pgtype.Int4          `db:"review_id" json:"review_id"`
+}
+
+func (q *Queries) UpdateUserTitle(ctx context.Context, arg UpdateUserTitleParams) (Usertitles, error) {
+	row := q.db.QueryRow(ctx, updateUserTitle,
+		arg.UserID,
+		arg.TitleID,
+		arg.Status,
+		arg.Rate,
+		arg.ReviewID,
+	)
+	var i Usertitles
+	err := row.Scan(
+		&i.UsertitleID,
+		&i.UserID,
+		&i.TitleID,
+		&i.Status,
+		&i.Rate,
+		&i.ReviewID,
+	)
+	return i, err
+}