diff --git a/dictation_server/src/api/odms/openapi.json b/dictation_server/src/api/odms/openapi.json
index ae10150..96bc1c7 100644
--- a/dictation_server/src/api/odms/openapi.json
+++ b/dictation_server/src/api/odms/openapi.json
@@ -224,6 +224,59 @@
         },
         "tags": ["accounts"],
         "security": [{ "bearer": [] }]
+      },
+      "post": {
+        "operationId": "me",
+        "summary": "",
+        "parameters": [],
+        "requestBody": {
+          "required": true,
+          "content": {
+            "application/json": {
+              "schema": {
+                "$ref": "#/components/schemas/UpdateAccountInfoRequest"
+              }
+            }
+          }
+        },
+        "responses": {
+          "200": {
+            "description": "成功時のレスポンス",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/UpdateAccountInfoResponse"
+                }
+              }
+            }
+          },
+          "400": {
+            "description": "パラメータ不正/アカウント・ユーザー不在/管理者ユーザ不在",
+            "content": {
+              "application/json": {
+                "schema": { "$ref": "#/components/schemas/ErrorResponse" }
+              }
+            }
+          },
+          "401": {
+            "description": "認証エラー",
+            "content": {
+              "application/json": {
+                "schema": { "$ref": "#/components/schemas/ErrorResponse" }
+              }
+            }
+          },
+          "500": {
+            "description": "想定外のサーバーエラー",
+            "content": {
+              "application/json": {
+                "schema": { "$ref": "#/components/schemas/ErrorResponse" }
+              }
+            }
+          }
+        },
+        "tags": ["accounts"],
+        "security": [{ "bearer": [] }]
       }
     },
     "/accounts/typists": {
@@ -3108,6 +3161,34 @@
         },
         "required": ["total", "partners"]
       },
+      "UpdateAccountInfoRequest": {
+        "type": "object",
+        "properties": {
+          "parentAccountId": {
+            "type": "number",
+            "description": "親アカウントのID"
+          },
+          "delegationPermission": {
+            "type": "number",
+            "description": "代行操作許可"
+          },
+          "primaryAdminUserId": {
+            "type": "number",
+            "description": "プライマリ管理者ID"
+          },
+          "secondryAdminUserId": {
+            "type": "number",
+            "description": "セカンダリ管理者ID"
+          }
+        },
+        "required": [
+          "parentAccountId",
+          "delegationPermission",
+          "primaryAdminUserId",
+          "secondryAdminUserId"
+        ]
+      },
+      "UpdateAccountInfoResponse": { "type": "object", "properties": {} },
       "ConfirmRequest": {
         "type": "object",
         "properties": { "token": { "type": "string" } },
diff --git a/dictation_server/src/features/accounts/accounts.controller.ts b/dictation_server/src/features/accounts/accounts.controller.ts
index f386fcf..da94293 100644
--- a/dictation_server/src/features/accounts/accounts.controller.ts
+++ b/dictation_server/src/features/accounts/accounts.controller.ts
@@ -56,6 +56,8 @@ import {
   UpdateOptionItemsResponse,
   UpdateOptionItemsRequestParam,
   UpdateOptionItemsRequest,
+  UpdateAccountInfoRequest,
+  UpdateAccountInfoResponse,
 } from './types/types';
 import {
   USER_ROLES,
@@ -916,4 +918,60 @@ export class AccountsController {
 
     return response;
   }
+
+  @Post('/me')
+  @ApiResponse({
+    status: HttpStatus.OK,
+    type: UpdateAccountInfoResponse,
+    description: '成功時のレスポンス',
+  })
+  @ApiResponse({
+    status: HttpStatus.BAD_REQUEST,
+    description: 'パラメータ不正/アカウント・ユーザー不在/管理者ユーザ不在',
+    type: ErrorResponse,
+  })
+  @ApiResponse({
+    status: HttpStatus.UNAUTHORIZED,
+    description: '認証エラー',
+    type: ErrorResponse,
+  })
+  @ApiResponse({
+    status: HttpStatus.INTERNAL_SERVER_ERROR,
+    description: '想定外のサーバーエラー',
+    type: ErrorResponse,
+  })
+  @ApiOperation({ operationId: 'me' })
+  @ApiBearerAuth()
+  @UseGuards(AuthGuard)
+  @UseGuards(
+    RoleGuard.requireds({
+      roles: [ADMIN_ROLES.ADMIN],
+    }),
+  )
+  async updateAccountInfo(
+    @Req() req: Request,
+    @Body() body: UpdateAccountInfoRequest,
+  ): Promise<UpdateAccountInfoResponse> {
+    const {
+      parentAccountId,
+      delegationPermission,
+      primaryAdminUserId,
+      secondryAdminUserId,
+    } = body;
+    const token = retrieveAuthorizationToken(req);
+    const { userId } = jwt.decode(token, { json: true }) as AccessToken;
+
+    const context = makeContext(userId);
+    // 仮。API実装で本実装
+    // await this.accountService.updateAccountInfo(
+    //   context,
+    //   userId,
+    //   parentAccountId,
+    //   delegationPermission,
+    //   primaryAdminUserId,
+    //   secondryAdminUserId,
+    // );
+
+    return;
+  }
 }
diff --git a/dictation_server/src/features/accounts/types/types.ts b/dictation_server/src/features/accounts/types/types.ts
index d907538..4a01470 100644
--- a/dictation_server/src/features/accounts/types/types.ts
+++ b/dictation_server/src/features/accounts/types/types.ts
@@ -495,3 +495,18 @@ export type PartnerInfoFromDb = {
   primaryAccountExternalId: string;
   dealerManagement: boolean;
 };
+
+export class UpdateAccountInfoRequest {
+  @ApiProperty({ description: '親アカウントのID' })
+  parentAccountId: number;
+  @ApiProperty({ description: '代行操作許可' })
+  delegationPermission: boolean;
+  @ApiProperty({ description: 'プライマリ管理者ID' })
+  @IsOptional()
+  primaryAdminUserId?: number;
+  @ApiProperty({ description: 'セカンダリ管理者ID' })
+  @IsOptional()
+  secondryAdminUserId?: number;
+}
+
+export class UpdateAccountInfoResponse {}