diff --git a/README.md b/README.md
index 785a2186..d269d397 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@
 [![GitHub commit activity](https://img.shields.io/github/commit-activity/m/yusukebe/hono)](https://github.com/yusukebe/hono/pulse)
 [![GitHub last commit](https://img.shields.io/github/last-commit/yusukebe/hono)](https://github.com/yusukebe/hono/commits/master)
 
-Hono - _**[炎] means flame🔥 in Japanese**_ - is small, simple, and ultrafast web framework for Cloudflare Workers and Fastly Compute@Edge.
+Hono - _**[炎] means flame🔥 in Japanese**_ - is a small, simple, and ultrafast web framework for Cloudflare Workers and Service Worker based serverless such as Fastly Compute@Edge.
 
 ```js
 import { Hono } from 'hono'
@@ -37,7 +37,7 @@ app.fire()
 - **Zero-dependencies** - using only Service Worker and Web standard API.
 - **Middleware** - built-in middleware and ability to extend with your own middleware.
 - **TypeScript** - first-class TypeScript support.
-- **Optimized** - for Cloudflare Workers.
+- **Optimized** - for Cloudflare Workers and Fastly Compute@Edge.
 
 ## Benchmark
 
@@ -58,7 +58,41 @@ A demonstration to create an application for Cloudflare Workers with Hono.
 
 ![Demo](https://user-images.githubusercontent.com/10682/151973526-342644f9-71c5-4fee-81f4-64a7558bb192.gif)
 
-Now, the named path parameter has types.
+## Not only fast
+
+Hono is fast. But not only fast.
+
+### Write Less, do more
+
+Built-in middleware make _"**Write Less, do more**"_ in reality. You can use a lot of middleware without writing code from scratch. Below are examples.
+
+- [Basic Authentication](https://github.com/yusukebe/hono/tree/master/src/middleware/basic-auth/)
+- [Cookie parsing / serializing](https://github.com/yusukebe/hono/tree/master/src/middleware/cookie/)
+- [CORS](https://github.com/yusukebe/hono/tree/master/src/middleware/cors/)
+- [ETag](https://github.com/yusukebe/hono/tree/master/src/middleware/etag/)
+- [GraphQL Server](https://github.com/yusukebe/hono/tree/master/src/middleware/graphql-server/)
+- [Logger](https://github.com/yusukebe/hono/tree/master/src/middleware/logger/)
+- [Mustache template engine](https://github.com/yusukebe/hono/tree/master/src/middleware/mustache/) (Only for Cloudflare Workers)
+- [JSON pretty printing](https://github.com/yusukebe/hono/tree/master/src/middleware/pretty-json/)
+- [Serving static files](https://github.com/yusukebe/hono/tree/master/src/middleware/serve-static/) (Only for Cloudflare Workers)
+
+You can enable logger and CORS middleware with just this code.
+
+```js
+import { Hono } from 'hono'
+import { cors } from 'hono/cors'
+import { logger } from 'hono/logger'
+
+const app = new Hono()
+app.use('*', cors()).use(logger())
+```
+
+### Developer Experience
+
+And Hono provides fine _"**Developer Experience**"_. Easy access to Request/Response thanks to the `Context` object.
+Above all, Hono is written in TypeScript. So, Hono has _"**Types**"_!
+
+For example, the named path parameters will be literal types.
 
 ![Demo](https://user-images.githubusercontent.com/10682/154179671-9e491597-6778-44ac-a8e6-4483d7ad5393.png)
 
@@ -80,10 +114,10 @@ npm install hono
 
 An instance of `Hono` has these methods.
 
-- app.**HTTP_METHOD**(path, handler)
-- app.**all**(path, handler)
+- app.**HTTP_METHOD**(\[path,\] handler)
+- app.**all**(\[path,\] handler)
 - app.**route**(path)
-- app.**use**(path, middleware)
+- app.**use**(\[path,\] middleware)
 - app.**notFound**(handler)
 - app.**onError**(err, handler)
 - app.**fire**()
@@ -507,7 +541,7 @@ npx wrangler@beta publish index.js
 
 ## Starter template
 
-You can start making your Cloudflare Workers application with [the starter template](https://github.com/yusukebe/hono-minimal). It is really minimal using TypeScript, esbuild, and Miniflare.
+You can start making your Cloudflare Workers application with [the starter template](https://github.com/yusukebe/hono-minimal). It is really minimal using TypeScript, esbuild, Miniflare, and Jest.
 
 To generate a project skelton, run this command.
 
@@ -529,7 +563,7 @@ Implementation of the original router `TrieRouter` is inspired by [goblin](https
 
 ## Contributing
 
-Contributions Welcome! You can contribute by the following way.
+Contributions Welcome! You can contribute in the following ways.
 
 - Write or fix documents
 - Write code of middleware
@@ -537,8 +571,6 @@ Contributions Welcome! You can contribute by the following way.
 - Refactor the code
 - etc.
 
-Let's make Hono together!
-
 ## Contributors
 
 Thanks to [all contributors](https://github.com/yusukebe/hono/graphs/contributors)!
diff --git a/docs/README.ja.md b/docs/README.ja.md
index 661297e5..24e8c77b 100644
--- a/docs/README.ja.md
+++ b/docs/README.ja.md
@@ -20,7 +20,7 @@
 [![GitHub commit activity](https://img.shields.io/github/commit-activity/m/yusukebe/hono)](https://github.com/yusukebe/hono/pulse)
 [![GitHub last commit](https://img.shields.io/github/last-commit/yusukebe/hono)](https://github.com/yusukebe/hono/commits/master)
 
-Hono - _日本語の\[炎\]に由来 🔥_ - はCloudflare WorkersやFastly Compute@Edge向けの小さくて、シンプルで、めちゃくちゃ速いWebフレームワークです。
+Hono - _日本語の\[炎\]に由来 🔥_ - はCloudflare WorkersやFastly Compute@Edgeなど、Service Workerベースのサーバーレス向けの小さくて、シンプルで、めちゃくちゃ速いWebフレームワークです。
 
 ```js
 import { Hono } from 'hono'
@@ -58,7 +58,42 @@ Honoを使って、Cloudflare Workersのアプリケーションを作ってい
 
 ![Demo](https://user-images.githubusercontent.com/10682/151973526-342644f9-71c5-4fee-81f4-64a7558bb192.gif)
 
-名前付きパラメーターにも型がつきます。
+## 速いだけじゃない
+
+Honoは速いけど、速いだけではありません。
+
+### Write Less, do more
+
+ビルトイン・ミドルウェアが「**_Write Less, do more_**」を実現します。
+たくさんのミドルウェアを１からコードを書くことなく、使えます。
+例えば、以下のミドルウェアがあります。
+
+- [Basic認証](https://github.com/yusukebe/hono/tree/master/src/middleware/basic-auth/)
+- [Cookieパース/シリアライゼーション](https://github.com/yusukebe/hono/tree/master/src/middleware/cookie/)
+- [CORS](https://github.com/yusukebe/hono/tree/master/src/middleware/cors/)
+- [ETag](https://github.com/yusukebe/hono/tree/master/src/middleware/etag/)
+- [GraphQLサーバー](https://github.com/yusukebe/hono/tree/master/src/middleware/graphql-server/)
+- [ロガー](https://github.com/yusukebe/hono/tree/master/src/middleware/logger/)
+- [Mustacheを使ったテンプレート](https://github.com/yusukebe/hono/tree/master/src/middleware/mustache/) (Cloudflare Workersのみ)
+- [JSON pretty](https://github.com/yusukebe/hono/tree/master/src/middleware/pretty-json/)
+- [静的ファイルのサーブ](https://github.com/yusukebe/hono/tree/master/src/middleware/serve-static/) (Cloudflare Workersのみ)
+
+たったこれだけのコードでロガーとCORSミドルウェアを使うことができます。
+
+```js
+import { Hono } from 'hono'
+import { cors } from 'hono/cors'
+import { logger } from 'hono/logger'
+
+const app = new Hono()
+app.use('*', cors()).use(logger())
+```
+
+### Developer Experience
+
+そして、Honoは優れた「**_Developer Experience_**」を提供します。`Context` オブジェクトのおかげで、Request/Responseへのアクセスが簡単です。なにより、HonoはTypeScriptで書かれています。そう、Honoは「**_型_**」を持っているのです！
+
+例えば、名前付きパラメーターにもリテラル型がつきます。
 
 ![Demo](https://user-images.githubusercontent.com/10682/154179671-9e491597-6778-44ac-a8e6-4483d7ad5393.png)
 
@@ -80,10 +115,10 @@ npm install hono
 
 `Hono`のインスタンスには以下のメソッドがあります。
 
-- app.**HTTP_METHOD**(path, handler)
-- app.**all**(path, handler)
+- app.**HTTP_METHOD**(\[path,\] handler)
+- app.**all**(\[path,\] handler)
 - app.**route**(path)
-- app.**use**(path, middleware)
+- app.**use**(\[path,\] middleware)
 - app.**notFound**(handler)
 - app.**onError**(err, handler)
 - app.**fire**()
@@ -127,6 +162,21 @@ app.get('/post/:date{[0-9]+}/:title{[a-z]+}', (c) => {
 })
 ```
 
+### チェインされたルート
+
+```js
+app
+  .get('/endpoint', (c) => {
+    return c.text('GET /endpoint')
+  })
+  .post((c) => {
+    return c.text('POST /endpoint')
+  })
+  .delete((c) => {
+    return c.text('DELETE /endpoint')
+  })
+```
+
 ### ネストされたルート
 
 ```js
@@ -175,6 +225,9 @@ const app = new Hono()
 
 app.use('*', poweredBy())
 app.use('*', logger())
+// もしくはこのようにも書けます。
+// app.use('*', poweredBy()).use(logger())
+
 app.use(
   '/auth/*',
   basicAuth({
diff --git a/src/middleware/cors/README.md b/src/middleware/cors/README.md
index e27503c0..654b69a1 100644
--- a/src/middleware/cors/README.md
+++ b/src/middleware/cors/README.md
@@ -5,26 +5,25 @@
 index.js:
 
 ```js
-describe('CORS by Middleware', () => {
-  const app = new Hono()
+const app = new Hono()
 
-  app.use('/api/*', cors())
-  app.use(
-    '/api2/*',
-    cors({
-      origin: 'http://example.com',
-      allowHeaders: ['X-Custom-Header', 'Upgrade-Insecure-Requests'],
-      allowMethods: ['POST', 'GET', 'OPTIONS'],
-      exposeHeaders: ['Content-Length', 'X-Kuma-Revision'],
-      maxAge: 600,
-      credentials: true,
-    })
-  )
+app.use('/api/*', cors())
+app.use(
+  '/api2/*',
+  cors({
+    origin: 'http://example.com',
+    allowHeaders: ['X-Custom-Header', 'Upgrade-Insecure-Requests'],
+    allowMethods: ['POST', 'GET', 'OPTIONS'],
+    exposeHeaders: ['Content-Length', 'X-Kuma-Revision'],
+    maxAge: 600,
+    credentials: true,
+  })
+)
 
-  app.all('/api/abc', (c) => {
-    return c.json({ success: true })
-  })
-  app.all('/api2/abc', (c) => {
-    return c.json({ success: true })
-  })
+app.all('/api/abc', (c) => {
+  return c.json({ success: true })
+})
+app.all('/api2/abc', (c) => {
+  return c.json({ success: true })
+})
 ```