diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 671b21d..520410c 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -1442,6 +1442,9 @@ model RequestData {
 
   requestDataStatus RequestDataStatus @default(Pending)
 
+  customerRequestCancel       Boolean?
+  customerRequestCancelReason String?
+
   flow Json?
 
   requestWork RequestWork[]
@@ -1477,6 +1480,9 @@ model RequestWork {
 
   stepStatus RequestWorkStepStatus[]
 
+  customerRequestCancel       Boolean?
+  customerRequestCancelReason String?
+
   creditNote   CreditNote? @relation(fields: [creditNoteId], references: [id], onDelete: SetNull)
   creditNoteId String?
 }
diff --git a/src/controllers/09-line-controller.ts b/src/controllers/09-line-controller.ts
index 7704c4d..4e4910d 100644
--- a/src/controllers/09-line-controller.ts
+++ b/src/controllers/09-line-controller.ts
@@ -1,9 +1,11 @@
 import {
+  Body,
   Controller,
   Delete,
   Get,
   Head,
   Path,
+  Post,
   Put,
   Query,
   Request,
@@ -776,6 +778,70 @@ export class LineController extends Controller {
 
     return record;
   }
+
+  @Post("request/{requestDataId}/request-cancel")
+  @Security("line")
+  async customerRequestCancel(
+    @Path() requestDataId: string,
+    @Request() req: RequestWithLineUser,
+    @Body() body: { reason: string },
+  ) {
+    const result = await prisma.requestData.updateMany({
+      where: {
+        id: requestDataId,
+        quotation: {
+          customerBranch: {
+            OR: [
+              { userId: req.user.sub },
+              {
+                customer: {
+                  branch: { some: { userId: req.user.sub } },
+                },
+              },
+            ],
+          },
+        },
+      },
+      data: {
+        customerRequestCancel: true,
+        customerRequestCancelReason: body.reason,
+      },
+    });
+    if (result.count <= 0) throw notFoundError("Request Data");
+  }
+
+  @Post("request-work/{requestWorkId}/request-cancel")
+  @Security("line")
+  async customerRequestCancelWork(
+    @Path() requestWorkId: string,
+    @Request() req: RequestWithLineUser,
+    @Body() body: { reason: string },
+  ) {
+    const result = await prisma.requestWork.updateMany({
+      where: {
+        id: requestWorkId,
+        request: {
+          quotation: {
+            customerBranch: {
+              OR: [
+                { userId: req.user.sub },
+                {
+                  customer: {
+                    branch: { some: { userId: req.user.sub } },
+                  },
+                },
+              ],
+            },
+          },
+        },
+      },
+      data: {
+        customerRequestCancel: true,
+        customerRequestCancelReason: body.reason,
+      },
+    });
+    if (result.count <= 0) throw notFoundError("Request Data");
+  }
 }
 
 @Route("api/v1/line/customer-branch/{branchId}")