diff --git a/helper/cookie.php b/helper/cookie.php
index 81dbb17..d65cf03 100644
--- a/helper/cookie.php
+++ b/helper/cookie.php
@@ -1,9 +1,9 @@
 <?php
-  function getcookie (string $name): array {
+  function getcookie (string $name): string {
     return htmlspecialchars($_COOKIE[$name]);
   }
 
-  function getrawcookie (string $name): array {
+  function getrawcookie (string $name): string {
     return $_COOKIE[$name];
   }
 ?>
diff --git a/src/cookie/index.php b/src/cookie/index.php
new file mode 100644
index 0000000..bed3a73
--- /dev/null
+++ b/src/cookie/index.php
@@ -0,0 +1,15 @@
+<?php
+  if (isset($_POST['lolicon_cookie'])) {
+    // ２時間後消えられます。
+    setcookie('lolicon_cookie', $_POST['lolicon_cookie'], ['expires' => time()+60*60*2, 'path' => '/cookie', 'httponly' => true]);
+    //setrawcookie('lolicon_cookie', $_POST['lolicon_cookie'], ['expires' => time()+60*60*2, 'path' => '/cookie', 'httponly' => true]);
+    header('Location: /cookie', 301);
+  }
+
+  $title = 'クッキー'; // 必須・Requirement
+  $sitedesc = 'クッキーの例え'; // config.phpの文字の交換・Change character of config.php
+  $siteurl  .= '/cookie'; // config.phpの文字に追加・Add to character of config.php
+  $childview = '../ui/cookie/index.php'; // 必須・Requirement
+  $mycookie = getcookie('lolicon_cookie');
+  //$mycookie = getrawcookie('lolicon_cookie');
+?>
diff --git a/ui/cookie/index.php b/ui/cookie/index.php
new file mode 100644
index 0000000..74b3417
--- /dev/null
+++ b/ui/cookie/index.php
@@ -0,0 +1,9 @@
+setcookie
+<form method="POST" action="/cookie">
+  <input type="text" name="lolicon_cookie" />
+  <input type="submit" value="送信" />
+</form>
+
+<hr />
+getcookie
+<?php echo $mycookie; ?>