diff --git a/samples/empty-object-response-body/$api.ts b/samples/empty-object-response-body/$api.ts
index ee83b6a1..c8139fd5 100644
--- a/samples/empty-object-response-body/$api.ts
+++ b/samples/empty-object-response-body/$api.ts
@@ -38,10 +38,16 @@ const api = <T>({ baseURL, fetch }: AspidaClient<T>) => {
       $path: () => `${prefix}${PATH1}`,
     },
     without_additional_properties: {
+      /**
+       * @returns OK
+       */
       delete: (option?: { config?: T | undefined } | undefined) =>
-        fetch<void, BasicHeaders, Methods2['delete']['status']>(prefix, PATH2, DELETE, option).send(),
+        fetch<Methods2['delete']['resBody'], BasicHeaders, Methods2['delete']['status']>(prefix, PATH2, DELETE, option).json(),
+      /**
+       * @returns OK
+       */
       $delete: (option?: { config?: T | undefined } | undefined) =>
-        fetch<void, BasicHeaders, Methods2['delete']['status']>(prefix, PATH2, DELETE, option).send().then(r => r.body),
+        fetch<Methods2['delete']['resBody'], BasicHeaders, Methods2['delete']['status']>(prefix, PATH2, DELETE, option).json().then(r => r.body),
       $path: () => `${prefix}${PATH2}`,
     },
   };
diff --git a/samples/empty-object-response-body/without-additional-properties/$api.ts b/samples/empty-object-response-body/without-additional-properties/$api.ts
index 37fa16ba..c158d097 100644
--- a/samples/empty-object-response-body/without-additional-properties/$api.ts
+++ b/samples/empty-object-response-body/without-additional-properties/$api.ts
@@ -7,10 +7,16 @@ const api = <T>({ baseURL, fetch }: AspidaClient<T>) => {
   const DELETE = 'DELETE';
 
   return {
+    /**
+     * @returns OK
+     */
     delete: (option?: { config?: T | undefined } | undefined) =>
-      fetch<void, BasicHeaders, Methods0['delete']['status']>(prefix, PATH0, DELETE, option).send(),
+      fetch<Methods0['delete']['resBody'], BasicHeaders, Methods0['delete']['status']>(prefix, PATH0, DELETE, option).json(),
+    /**
+     * @returns OK
+     */
     $delete: (option?: { config?: T | undefined } | undefined) =>
-      fetch<void, BasicHeaders, Methods0['delete']['status']>(prefix, PATH0, DELETE, option).send().then(r => r.body),
+      fetch<Methods0['delete']['resBody'], BasicHeaders, Methods0['delete']['status']>(prefix, PATH0, DELETE, option).json().then(r => r.body),
     $path: () => `${prefix}${PATH0}`,
   };
 };
diff --git a/samples/empty-object-response-body/without-additional-properties/index.ts b/samples/empty-object-response-body/without-additional-properties/index.ts
index b9ef8999..c68852f3 100644
--- a/samples/empty-object-response-body/without-additional-properties/index.ts
+++ b/samples/empty-object-response-body/without-additional-properties/index.ts
@@ -2,5 +2,9 @@
 export type Methods = {
   delete: {
     status: 200
+
+    /** OK */
+    resBody: {
+    }
   }
 }
diff --git a/samples/openapi/api/v3/channels/_channelId@string/chats/_chatId@string/items/index.ts b/samples/openapi/api/v3/channels/_channelId@string/chats/_chatId@string/items/index.ts
index b2cd7ee0..0d44140f 100644
--- a/samples/openapi/api/v3/channels/_channelId@string/chats/_chatId@string/items/index.ts
+++ b/samples/openapi/api/v3/channels/_channelId@string/chats/_chatId@string/items/index.ts
@@ -16,6 +16,8 @@ export type Methods = {
     resBody: {
       limit: number
       offset: number
+      data: {
+      }[]
     }
   }
 
diff --git a/samples/openapi/api/v3/chats/_chatId@string/items/index.ts b/samples/openapi/api/v3/chats/_chatId@string/items/index.ts
index b81bab07..46be4b24 100644
--- a/samples/openapi/api/v3/chats/_chatId@string/items/index.ts
+++ b/samples/openapi/api/v3/chats/_chatId@string/items/index.ts
@@ -18,6 +18,8 @@ export type Methods = {
     resBody: {
       limit: number
       offset: number
+      data: {
+      }[]
     }
   }
 
diff --git a/src/builderUtils/converters.ts b/src/builderUtils/converters.ts
index f519be8b..df8b68d6 100644
--- a/src/builderUtils/converters.ts
+++ b/src/builderUtils/converters.ts
@@ -123,11 +123,11 @@ export const schema2value = (
     } else if (isArraySchema(schema)) {
       isArray = true;
       value = schema2value(schema.items);
-    } else if (schema.properties || 'additionalProperties' in schema) {
+    } else if (schema.type === 'object' || schema.properties || 'additionalProperties' in schema) {
       value = object2value(schema);
     } else if (schema.format === 'binary') {
       value = isResponse ? 'Blob' : BINARY_TYPE;
-    } else if (schema.type !== 'object') {
+    } else {
       value = schema.type
         ? {
             integer: 'number',