diff --git a/api/_build/openapi.yaml b/api/_build/openapi.yaml
index 720b686..e2c7409 100644
--- a/api/_build/openapi.yaml
+++ b/api/_build/openapi.yaml
@@ -407,6 +407,30 @@ paths:
           description: User or Title not found
         '500':
           description: Internal server error
+    delete:
+      operationId: deleteUserTitle
+      summary: Delete a usertitle
+      description: User deleting title from list of watched
+      parameters:
+        - name: user_id
+          in: path
+          description: ID of the user to assign the title to
+          required: true
+          schema:
+            type: integer
+            format: int64
+          example: 123
+      responses:
+        '200':
+          description: Title successfully deleted
+        '401':
+          description: Unauthorized — missing or invalid auth token
+        '403':
+          description: Forbidden — user not allowed to delete title
+        '404':
+          description: User or Title not found
+        '500':
+          description: Internal server error
 components:
   parameters:
     cursor:
@@ -557,6 +581,7 @@ components:
           additionalProperties:
             type: number
             format: double
+      additionalProperties: true
       required:
         - id
         - title_names
diff --git a/api/api.gen.go b/api/api.gen.go
index cb5c1ae..6af01d0 100644
--- a/api/api.gen.go
+++ b/api/api.gen.go
@@ -16,12 +16,6 @@ import (
 	openapi_types "github.com/oapi-codegen/runtime/types"
 )
 
-// Defines values for ImageStorageType.
-const (
-	Local ImageStorageType = "local"
-	S3    ImageStorageType = "s3"
-)
-
 // Defines values for ReleaseSeason.
 const (
 	Fall   ReleaseSeason = "fall"
@@ -30,6 +24,12 @@ const (
 	Winter ReleaseSeason = "winter"
 )
 
+// Defines values for StorageType.
+const (
+	Local StorageType = "local"
+	S3    StorageType = "s3"
+)
+
 // Defines values for TitleSort.
 const (
 	Id     TitleSort = "id"
@@ -65,15 +65,15 @@ type Image struct {
 	ImagePath *string `json:"image_path,omitempty"`
 
 	// StorageType Image storage type
-	StorageType *ImageStorageType `json:"storage_type,omitempty"`
+	StorageType *StorageType `json:"storage_type,omitempty"`
 }
 
-// ImageStorageType Image storage type
-type ImageStorageType string
-
 // ReleaseSeason Title release season
 type ReleaseSeason string
 
+// StorageType Image storage type
+type StorageType string
+
 // Studio defines model for Studio.
 type Studio struct {
 	Description *string `json:"description,omitempty"`
@@ -156,6 +156,18 @@ type UserTitle struct {
 	UserId int64           `json:"user_id"`
 }
 
+// UserTitleMini defines model for UserTitleMini.
+type UserTitleMini struct {
+	Ctime    *time.Time `json:"ctime,omitempty"`
+	Rate     *int32     `json:"rate,omitempty"`
+	ReviewId *int64     `json:"review_id,omitempty"`
+
+	// Status User's title status
+	Status  UserTitleStatus `json:"status"`
+	TitleId int64           `json:"title_id"`
+	UserId  int64           `json:"user_id"`
+}
+
 // UserTitleStatus User's title status
 type UserTitleStatus string
 
@@ -225,21 +237,30 @@ type GetUsersUserIdTitlesParams struct {
 	Fields        *string            `form:"fields,omitempty" json:"fields,omitempty"`
 }
 
+// UpdateUserTitleJSONBody defines parameters for UpdateUserTitle.
+type UpdateUserTitleJSONBody struct {
+	Rate *int32 `json:"rate,omitempty"`
+
+	// Status User's title status
+	Status  *UserTitleStatus `json:"status,omitempty"`
+	TitleId int64            `json:"title_id"`
+}
+
 // AddUserTitleJSONBody defines parameters for AddUserTitle.
 type AddUserTitleJSONBody struct {
-	Ctime    *time.Time `json:"ctime,omitempty"`
-	Rate     *int32     `json:"rate,omitempty"`
-	ReviewId *int64     `json:"review_id,omitempty"`
+	Rate *int32 `json:"rate,omitempty"`
 
 	// Status User's title status
 	Status  UserTitleStatus `json:"status"`
 	TitleId int64           `json:"title_id"`
-	UserId  int64           `json:"user_id"`
 }
 
 // UpdateUserJSONRequestBody defines body for UpdateUser for application/json ContentType.
 type UpdateUserJSONRequestBody UpdateUserJSONBody
 
+// UpdateUserTitleJSONRequestBody defines body for UpdateUserTitle for application/json ContentType.
+type UpdateUserTitleJSONRequestBody UpdateUserTitleJSONBody
+
 // AddUserTitleJSONRequestBody defines body for AddUserTitle for application/json ContentType.
 type AddUserTitleJSONRequestBody AddUserTitleJSONBody
 
@@ -499,9 +520,15 @@ type ServerInterface interface {
 	// Partially update a user account
 	// (PATCH /users/{user_id})
 	UpdateUser(c *gin.Context, userId int64)
+	// Delete a usertitle
+	// (DELETE /users/{user_id}/titles)
+	DeleteUserTitle(c *gin.Context, userId int64)
 	// Get user titles
 	// (GET /users/{user_id}/titles)
 	GetUsersUserIdTitles(c *gin.Context, userId string, params GetUsersUserIdTitlesParams)
+	// Update a usertitle
+	// (PATCH /users/{user_id}/titles)
+	UpdateUserTitle(c *gin.Context, userId int64)
 	// Add a title to a user
 	// (POST /users/{user_id}/titles)
 	AddUserTitle(c *gin.Context, userId int64)
@@ -716,6 +743,30 @@ func (siw *ServerInterfaceWrapper) UpdateUser(c *gin.Context) {
 	siw.Handler.UpdateUser(c, userId)
 }
 
+// DeleteUserTitle operation middleware
+func (siw *ServerInterfaceWrapper) DeleteUserTitle(c *gin.Context) {
+
+	var err error
+
+	// ------------- Path parameter "user_id" -------------
+	var userId int64
+
+	err = runtime.BindStyledParameterWithOptions("simple", "user_id", c.Param("user_id"), &userId, runtime.BindStyledParameterOptions{Explode: false, Required: true})
+	if err != nil {
+		siw.ErrorHandler(c, fmt.Errorf("Invalid format for parameter user_id: %w", err), http.StatusBadRequest)
+		return
+	}
+
+	for _, middleware := range siw.HandlerMiddlewares {
+		middleware(c)
+		if c.IsAborted() {
+			return
+		}
+	}
+
+	siw.Handler.DeleteUserTitle(c, userId)
+}
+
 // GetUsersUserIdTitles operation middleware
 func (siw *ServerInterfaceWrapper) GetUsersUserIdTitles(c *gin.Context) {
 
@@ -839,6 +890,30 @@ func (siw *ServerInterfaceWrapper) GetUsersUserIdTitles(c *gin.Context) {
 	siw.Handler.GetUsersUserIdTitles(c, userId, params)
 }
 
+// UpdateUserTitle operation middleware
+func (siw *ServerInterfaceWrapper) UpdateUserTitle(c *gin.Context) {
+
+	var err error
+
+	// ------------- Path parameter "user_id" -------------
+	var userId int64
+
+	err = runtime.BindStyledParameterWithOptions("simple", "user_id", c.Param("user_id"), &userId, runtime.BindStyledParameterOptions{Explode: false, Required: true})
+	if err != nil {
+		siw.ErrorHandler(c, fmt.Errorf("Invalid format for parameter user_id: %w", err), http.StatusBadRequest)
+		return
+	}
+
+	for _, middleware := range siw.HandlerMiddlewares {
+		middleware(c)
+		if c.IsAborted() {
+			return
+		}
+	}
+
+	siw.Handler.UpdateUserTitle(c, userId)
+}
+
 // AddUserTitle operation middleware
 func (siw *ServerInterfaceWrapper) AddUserTitle(c *gin.Context) {
 
@@ -894,7 +969,9 @@ func RegisterHandlersWithOptions(router gin.IRouter, si ServerInterface, options
 	router.GET(options.BaseURL+"/titles/:title_id", wrapper.GetTitlesTitleId)
 	router.GET(options.BaseURL+"/users/:user_id", wrapper.GetUsersUserId)
 	router.PATCH(options.BaseURL+"/users/:user_id", wrapper.UpdateUser)
+	router.DELETE(options.BaseURL+"/users/:user_id/titles", wrapper.DeleteUserTitle)
 	router.GET(options.BaseURL+"/users/:user_id/titles", wrapper.GetUsersUserIdTitles)
+	router.PATCH(options.BaseURL+"/users/:user_id/titles", wrapper.UpdateUserTitle)
 	router.POST(options.BaseURL+"/users/:user_id/titles", wrapper.AddUserTitle)
 }
 
@@ -1110,6 +1187,54 @@ func (response UpdateUser500Response) VisitUpdateUserResponse(w http.ResponseWri
 	return nil
 }
 
+type DeleteUserTitleRequestObject struct {
+	UserId int64 `json:"user_id"`
+}
+
+type DeleteUserTitleResponseObject interface {
+	VisitDeleteUserTitleResponse(w http.ResponseWriter) error
+}
+
+type DeleteUserTitle200Response struct {
+}
+
+func (response DeleteUserTitle200Response) VisitDeleteUserTitleResponse(w http.ResponseWriter) error {
+	w.WriteHeader(200)
+	return nil
+}
+
+type DeleteUserTitle401Response struct {
+}
+
+func (response DeleteUserTitle401Response) VisitDeleteUserTitleResponse(w http.ResponseWriter) error {
+	w.WriteHeader(401)
+	return nil
+}
+
+type DeleteUserTitle403Response struct {
+}
+
+func (response DeleteUserTitle403Response) VisitDeleteUserTitleResponse(w http.ResponseWriter) error {
+	w.WriteHeader(403)
+	return nil
+}
+
+type DeleteUserTitle404Response struct {
+}
+
+func (response DeleteUserTitle404Response) VisitDeleteUserTitleResponse(w http.ResponseWriter) error {
+	w.WriteHeader(404)
+	return nil
+}
+
+type DeleteUserTitle500Response struct {
+}
+
+func (response DeleteUserTitle500Response) VisitDeleteUserTitleResponse(w http.ResponseWriter) error {
+	w.WriteHeader(500)
+	return nil
+}
+
 type GetUsersUserIdTitlesRequestObject struct {
 	UserId string `json:"user_id"`
 	Params GetUsersUserIdTitlesParams
@@ -1163,6 +1288,64 @@ func (response GetUsersUserIdTitles500Response) VisitGetUsersUserIdTitlesRespons
 	return nil
 }
 
+type UpdateUserTitleRequestObject struct {
+	UserId int64 `json:"user_id"`
+	Body   *UpdateUserTitleJSONRequestBody
+}
+
+type UpdateUserTitleResponseObject interface {
+	VisitUpdateUserTitleResponse(w http.ResponseWriter) error
+}
+
+type UpdateUserTitle200JSONResponse UserTitleMini
+
+func (response UpdateUserTitle200JSONResponse) VisitUpdateUserTitleResponse(w http.ResponseWriter) error {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(200)
+
+	return json.NewEncoder(w).Encode(response)
+}
+
+type UpdateUserTitle400Response struct {
+}
+
+func (response UpdateUserTitle400Response) VisitUpdateUserTitleResponse(w http.ResponseWriter) error {
+	w.WriteHeader(400)
+	return nil
+}
+
+type UpdateUserTitle401Response struct {
+}
+
+func (response UpdateUserTitle401Response) VisitUpdateUserTitleResponse(w http.ResponseWriter) error {
+	w.WriteHeader(401)
+	return nil
+}
+
+type UpdateUserTitle403Response struct {
+}
+
+func (response UpdateUserTitle403Response) VisitUpdateUserTitleResponse(w http.ResponseWriter) error {
+	w.WriteHeader(403)
+	return nil
+}
+
+type UpdateUserTitle404Response struct {
+}
+
+func (response UpdateUserTitle404Response) VisitUpdateUserTitleResponse(w http.ResponseWriter) error {
+	w.WriteHeader(404)
+	return nil
+}
+
+type UpdateUserTitle500Response struct {
+}
+
+func (response UpdateUserTitle500Response) VisitUpdateUserTitleResponse(w http.ResponseWriter) error {
+	w.WriteHeader(500)
+	return nil
+}
+
 type AddUserTitleRequestObject struct {
 	UserId int64 `json:"user_id"`
 	Body   *AddUserTitleJSONRequestBody
@@ -1172,16 +1355,7 @@ type AddUserTitleResponseObject interface {
 	VisitAddUserTitleResponse(w http.ResponseWriter) error
 }
 
-type AddUserTitle200JSONResponse struct {
-	Ctime    *time.Time `json:"ctime,omitempty"`
-	Rate     *int32     `json:"rate,omitempty"`
-	ReviewId *int64     `json:"review_id,omitempty"`
-
-	// Status User's title status
-	Status  UserTitleStatus `json:"status"`
-	TitleId int64           `json:"title_id"`
-	UserId  int64           `json:"user_id"`
-}
+type AddUserTitle200JSONResponse UserTitleMini
 
 func (response AddUserTitle200JSONResponse) VisitAddUserTitleResponse(w http.ResponseWriter) error {
 	w.Header().Set("Content-Type", "application/json")
@@ -1252,9 +1426,15 @@ type StrictServerInterface interface {
 	// Partially update a user account
 	// (PATCH /users/{user_id})
 	UpdateUser(ctx context.Context, request UpdateUserRequestObject) (UpdateUserResponseObject, error)
+	// Delete a usertitle
+	// (DELETE /users/{user_id}/titles)
+	DeleteUserTitle(ctx context.Context, request DeleteUserTitleRequestObject) (DeleteUserTitleResponseObject, error)
 	// Get user titles
 	// (GET /users/{user_id}/titles)
 	GetUsersUserIdTitles(ctx context.Context, request GetUsersUserIdTitlesRequestObject) (GetUsersUserIdTitlesResponseObject, error)
+	// Update a usertitle
+	// (PATCH /users/{user_id}/titles)
+	UpdateUserTitle(ctx context.Context, request UpdateUserTitleRequestObject) (UpdateUserTitleResponseObject, error)
 	// Add a title to a user
 	// (POST /users/{user_id}/titles)
 	AddUserTitle(ctx context.Context, request AddUserTitleRequestObject) (AddUserTitleResponseObject, error)
@@ -1390,6 +1570,33 @@ func (sh *strictHandler) UpdateUser(ctx *gin.Context, userId int64) {
 	}
 }
 
+// DeleteUserTitle operation middleware
+func (sh *strictHandler) DeleteUserTitle(ctx *gin.Context, userId int64) {
+	var request DeleteUserTitleRequestObject
+
+	request.UserId = userId
+
+	handler := func(ctx *gin.Context, request interface{}) (interface{}, error) {
+		return sh.ssi.DeleteUserTitle(ctx, request.(DeleteUserTitleRequestObject))
+	}
+	for _, middleware := range sh.middlewares {
+		handler = middleware(handler, "DeleteUserTitle")
+	}
+
+	response, err := handler(ctx, request)
+
+	if err != nil {
+		ctx.Error(err)
+		ctx.Status(http.StatusInternalServerError)
+	} else if validResponse, ok := response.(DeleteUserTitleResponseObject); ok {
+		if err := validResponse.VisitDeleteUserTitleResponse(ctx.Writer); err != nil {
+			ctx.Error(err)
+		}
+	} else if response != nil {
+		ctx.Error(fmt.Errorf("unexpected response type: %T", response))
+	}
+}
+
 // GetUsersUserIdTitles operation middleware
 func (sh *strictHandler) GetUsersUserIdTitles(ctx *gin.Context, userId string, params GetUsersUserIdTitlesParams) {
 	var request GetUsersUserIdTitlesRequestObject
@@ -1418,6 +1625,41 @@ func (sh *strictHandler) GetUsersUserIdTitles(ctx *gin.Context, userId string, p
 	}
 }
 
+// UpdateUserTitle operation middleware
+func (sh *strictHandler) UpdateUserTitle(ctx *gin.Context, userId int64) {
+	var request UpdateUserTitleRequestObject
+
+	request.UserId = userId
+
+	var body UpdateUserTitleJSONRequestBody
+	if err := ctx.ShouldBindJSON(&body); err != nil {
+		ctx.Status(http.StatusBadRequest)
+		ctx.Error(err)
+		return
+	}
+	request.Body = &body
+
+	handler := func(ctx *gin.Context, request interface{}) (interface{}, error) {
+		return sh.ssi.UpdateUserTitle(ctx, request.(UpdateUserTitleRequestObject))
+	}
+	for _, middleware := range sh.middlewares {
+		handler = middleware(handler, "UpdateUserTitle")
+	}
+
+	response, err := handler(ctx, request)
+
+	if err != nil {
+		ctx.Error(err)
+		ctx.Status(http.StatusInternalServerError)
+	} else if validResponse, ok := response.(UpdateUserTitleResponseObject); ok {
+		if err := validResponse.VisitUpdateUserTitleResponse(ctx.Writer); err != nil {
+			ctx.Error(err)
+		}
+	} else if response != nil {
+		ctx.Error(fmt.Errorf("unexpected response type: %T", response))
+	}
+}
+
 // AddUserTitle operation middleware
 func (sh *strictHandler) AddUserTitle(ctx *gin.Context, userId int64) {
 	var request AddUserTitleRequestObject
diff --git a/api/openapi.yaml b/api/openapi.yaml
index 7da26f8..23f2058 100644
--- a/api/openapi.yaml
+++ b/api/openapi.yaml
@@ -21,4 +21,3 @@ components:
     $ref: "./parameters/_index.yaml"
   schemas:
     $ref: "./schemas/_index.yaml"
-  
\ No newline at end of file
diff --git a/api/paths/users-id-titles.yaml b/api/paths/users-id-titles.yaml
index 4f11ab6..2cff448 100644
--- a/api/paths/users-id-titles.yaml
+++ b/api/paths/users-id-titles.yaml
@@ -187,5 +187,33 @@ patch:
       description: Forbidden — user not allowed to update title
     '404':
       description: User or Title not found
+    '500':
+      description: Internal server error
+
+delete:
+  summary: Delete a usertitle
+  description: User deleting title from list of watched
+  operationId: deleteUserTitle
+  parameters:
+    - name: user_id
+      in: path
+      required: true
+      schema:
+        type: integer
+        format: int64
+      description: ID of the user to assign the title to
+      example: 123
+
+  responses:
+    '200':
+      description: Title successfully deleted
+    # '400':
+    #   description: Invalid request body (missing fields, invalid types, etc.)
+    '401':
+      description: Unauthorized — missing or invalid auth token
+    '403':
+      description: Forbidden — user not allowed to delete title
+    '404':
+      description: User or Title not found
     '500':
       description: Internal server error
\ No newline at end of file
diff --git a/deploy/api_gen.ps1 b/deploy/api_gen.ps1
new file mode 100644
index 0000000..c8966b7
--- /dev/null
+++ b/deploy/api_gen.ps1
@@ -0,0 +1,4 @@
+cd ./api
+openapi-format .\openapi.yaml --output .\_build\openapi.yaml --yaml
+cd ..
+oapi-codegen --config=api\oapi-codegen.yaml api\_build\openapi.yaml
diff --git a/modules/backend/handlers/common.go b/modules/backend/handlers/common.go
index 2cf2283..f820db6 100644
--- a/modules/backend/handlers/common.go
+++ b/modules/backend/handlers/common.go
@@ -1,7 +1,6 @@
 package handlers
 
 import (
-	"context"
 	"encoding/json"
 	"fmt"
 	oapi "nyanimedb/api"
@@ -17,11 +16,11 @@ func NewServer(db *sqlc.Queries) Server {
 	return Server{db: db}
 }
 
-func sql2StorageType(s *sqlc.StorageTypeT) (*oapi.ImageStorageType, error) {
+func sql2StorageType(s *sqlc.StorageTypeT) (*oapi.StorageType, error) {
 	if s == nil {
 		return nil, nil
 	}
-	var t oapi.ImageStorageType
+	var t oapi.StorageType
 	switch *s {
 	case sqlc.StorageTypeTLocal:
 		t = oapi.Local
@@ -33,7 +32,7 @@ func sql2StorageType(s *sqlc.StorageTypeT) (*oapi.ImageStorageType, error) {
 	return &t, nil
 }
 
-func (s Server) mapTitle(ctx context.Context, title sqlc.GetTitleByIDRow) (oapi.Title, error) {
+func (s Server) mapTitle(title sqlc.GetTitleByIDRow) (oapi.Title, error) {
 
 	oapi_title := oapi.Title{
 		EpisodesAired: title.EpisodesAired,
diff --git a/modules/backend/handlers/titles.go b/modules/backend/handlers/titles.go
index c67177f..03553fd 100644
--- a/modules/backend/handlers/titles.go
+++ b/modules/backend/handlers/titles.go
@@ -144,7 +144,7 @@ func (s Server) GetTitlesTitleId(ctx context.Context, request oapi.GetTitlesTitl
 		return oapi.GetTitlesTitleId500Response{}, nil
 	}
 
-	oapi_title, err = s.mapTitle(ctx, sqlc_title)
+	oapi_title, err = s.mapTitle(sqlc_title)
 	if err != nil {
 		log.Errorf("%v", err)
 		return oapi.GetTitlesTitleId500Response{}, nil
@@ -238,7 +238,7 @@ func (s Server) GetTitles(ctx context.Context, request oapi.GetTitlesRequestObje
 		// 	_title.TitleStorageType = string(s)
 		// }
 
-		t, err := s.mapTitle(ctx, _title)
+		t, err := s.mapTitle(_title)
 		if err != nil {
 			log.Errorf("%v", err)
 			return oapi.GetTitles500Response{}, nil
diff --git a/modules/backend/handlers/users.go b/modules/backend/handlers/users.go
index 1881f36..7af705e 100644
--- a/modules/backend/handlers/users.go
+++ b/modules/backend/handlers/users.go
@@ -2,6 +2,7 @@ package handlers
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	oapi "nyanimedb/api"
 	sqlc "nyanimedb/sql"
@@ -9,24 +10,12 @@ import (
 	"time"
 
 	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
 	"github.com/jackc/pgx/v5/pgtype"
 	"github.com/oapi-codegen/runtime/types"
 	log "github.com/sirupsen/logrus"
 )
 
-// type Server struct {
-// 	db *sqlc.Queries
-// }
-
-// func NewServer(db *sqlc.Queries) Server {
-// 	return Server{db: db}
-// }
-
-// func parseInt64(s string) (int32, error) {
-// 	i, err := strconv.ParseInt(s, 10, 64)
-// 	return int32(i), err
-// }
-
 func mapUser(u sqlc.GetUserByIDRow) (oapi.User, error) {
 	i := oapi.Image{
 		Id:        u.AvatarID,
@@ -202,7 +191,7 @@ func (s Server) mapUsertitle(ctx context.Context, t sqlc.SearchUserTitlesRow) (o
 		// StudioImagePath:   title.StudioImagePath,
 	}
 
-	oapi_title, err := s.mapTitle(ctx, _title)
+	oapi_title, err := s.mapTitle(_title)
 	if err != nil {
 		return oapi_usertitle, fmt.Errorf("mapUsertitle: %v", err)
 	}
@@ -368,19 +357,26 @@ func (s Server) AddUserTitle(ctx context.Context, request oapi.AddUserTitleReque
 	}
 
 	params := sqlc.InsertUserTitleParams{
-		UserID:   request.UserId,
-		TitleID:  request.Body.TitleId,
-		Status:   *status,
-		Rate:     request.Body.Rate,
-		ReviewID: request.Body.ReviewId,
+		UserID:  request.UserId,
+		TitleID: request.Body.TitleId,
+		Status:  *status,
+		Rate:    request.Body.Rate,
 	}
 
 	user_title, err := s.db.InsertUserTitle(ctx, params)
 	if err != nil {
-		log.Errorf("%v", err)
-		return oapi.AddUserTitle500Response{}, nil
+		var pgErr *pgconn.PgError
+		if errors.As(err, &pgErr) {
+			// fmt.Println(pgErr.Message) // => syntax error at end of input
+			// fmt.Println(pgErr.Code)    // => 42601
+			if pgErr.Code == "23505" { //duplicate key value
+				return oapi.AddUserTitle409Response{}, nil
+			}
+		} else {
+			log.Errorf("%v", err)
+			return oapi.AddUserTitle500Response{}, nil
+		}
 	}
-
 	oapi_status, err := sql2usertitlestatus(user_title.Status)
 	if err != nil {
 		log.Errorf("%v", err)
@@ -406,3 +402,13 @@ func (s Server) AddUserTitle(ctx context.Context, request oapi.AddUserTitleReque
 
 	return oapi.AddUserTitle200JSONResponse(oapi_usertitle), nil
 }
+
+// DeleteUserTitle implements oapi.StrictServerInterface.
+func (s Server) DeleteUserTitle(ctx context.Context, request oapi.DeleteUserTitleRequestObject) (oapi.DeleteUserTitleResponseObject, error) {
+	panic("unimplemented")
+}
+
+// UpdateUserTitle implements oapi.StrictServerInterface.
+func (s Server) UpdateUserTitle(ctx context.Context, request oapi.UpdateUserTitleRequestObject) (oapi.UpdateUserTitleResponseObject, error) {
+	panic("unimplemented")
+}
diff --git a/modules/backend/queries.sql b/modules/backend/queries.sql
index 0146b25..ef6e26d 100644
--- a/modules/backend/queries.sql
+++ b/modules/backend/queries.sql
@@ -461,21 +461,13 @@ VALUES (
 )
 RETURNING user_id, title_id, status, rate, review_id, ctime;
 
--- -- name: UpdateUserTitle :one
--- UPDATE usertitles
--- SET
---   status = COALESCE(sqlc.narg('status'), status),
---   rate = COALESCE(sqlc.narg('rate'), rate),
---   review_id = COALESCE(sqlc.narg('review_id'), review_id)
--- WHERE user_id = $1 AND title_id = $2
--- RETURNING *;
-
--- -- name: DeleteUserTitle :exec
--- DELETE FROM usertitles
--- WHERE user_id = $1 AND ($2::int IS NULL OR title_id = $2);
-
--- -- name: ListTags :many
--- SELECT tag_id, tag_names
--- FROM tags
--- ORDER BY tag_id
--- LIMIT $1 OFFSET $2;
\ No newline at end of file
+-- name: UpdateUserTitle :one
+-- Fails with sql.ErrNoRows if (user_id, title_id) not found
+UPDATE usertitles
+SET
+    status = COALESCE(sqlc.narg('status')::usertitle_status_t, status),
+    rate   = COALESCE(sqlc.narg('rate')::int, rate)
+WHERE
+    user_id = sqlc.arg('user_id')
+    AND title_id = sqlc.arg('title_id')
+RETURNING *;
\ No newline at end of file
diff --git a/sql/migrations/000001_init.up.sql b/sql/migrations/000001_init.up.sql
index f8781de..3499fe2 100644
--- a/sql/migrations/000001_init.up.sql
+++ b/sql/migrations/000001_init.up.sql
@@ -179,6 +179,6 @@ END;
 $$ LANGUAGE plpgsql;
 
 CREATE TRIGGER set_ctime_on_update
-AFTER UPDATE ON usertitles
+BEFORE UPDATE ON usertitles
 FOR EACH ROW
 EXECUTE FUNCTION set_ctime();
\ No newline at end of file
diff --git a/sql/queries.sql.go b/sql/queries.sql.go
index a46da86..89b16c9 100644
--- a/sql/queries.sql.go
+++ b/sql/queries.sql.go
@@ -925,3 +925,41 @@ func (q *Queries) UpdateUser(ctx context.Context, arg UpdateUserParams) (UpdateU
 	)
 	return i, err
 }
+
+const updateUserTitle = `-- name: UpdateUserTitle :one
+UPDATE usertitles
+SET
+    status = COALESCE($1::usertitle_status_t, status),
+    rate   = COALESCE($2::int, rate)
+WHERE
+    user_id = $3
+    AND title_id = $4
+RETURNING user_id, title_id, status, rate, review_id, ctime
+`
+
+type UpdateUserTitleParams struct {
+	Status  NullUsertitleStatusT `json:"status"`
+	Rate    *int32               `json:"rate"`
+	UserID  int64                `json:"user_id"`
+	TitleID int64                `json:"title_id"`
+}
+
+// Fails with sql.ErrNoRows if (user_id, title_id) not found
+func (q *Queries) UpdateUserTitle(ctx context.Context, arg UpdateUserTitleParams) (Usertitle, error) {
+	row := q.db.QueryRow(ctx, updateUserTitle,
+		arg.Status,
+		arg.Rate,
+		arg.UserID,
+		arg.TitleID,
+	)
+	var i Usertitle
+	err := row.Scan(
+		&i.UserID,
+		&i.TitleID,
+		&i.Status,
+		&i.Rate,
+		&i.ReviewID,
+		&i.Ctime,
+	)
+	return i, err
+}