diff --git a/src/Eccube/Controller/ShoppingController.php b/src/Eccube/Controller/ShoppingController.php
index 1f8b7accd8d..bc398092319 100644
--- a/src/Eccube/Controller/ShoppingController.php
+++ b/src/Eccube/Controller/ShoppingController.php
@@ -29,6 +29,7 @@
 use Eccube\Form\Type\Shopping\CustomerAddressType;
 use Eccube\Form\Type\Shopping\OrderType;
 use Eccube\Repository\CustomerAddressRepository;
+use Eccube\Repository\OrderRepository;
 use Eccube\Service\CartService;
 use Eccube\Service\OrderHelper;
 use Eccube\Service\Payment\PaymentDispatcher;
@@ -92,6 +93,7 @@ public function __construct(
         CartService $cartService,
         ShoppingService $shoppingService,
         CustomerAddressRepository $customerAddressRepository,
+        OrderRepository $orderRepository,
         ParameterBag $parameterBag
     ) {
         $this->BaseInfo = $BaseInfo;
@@ -99,6 +101,7 @@ public function __construct(
         $this->cartService = $cartService;
         $this->shoppingService = $shoppingService;
         $this->customerAddressRepository = $customerAddressRepository;
+        $this->orderRepository = $orderRepository;
         $this->parameterBag = $parameterBag;
     }
 
@@ -333,9 +336,15 @@ public function complete(Request $request)
         // 受注IDを取得
         $orderId = $this->session->get($this->sessionOrderKey);
 
+        if (empty($orderId)) {
+            return $this->redirectToRoute('homepage');
+        }
+
+        $Order = $this->orderRepository->find($orderId);
+
         $event = new EventArgs(
             [
-                'orderId' => $orderId,
+                'Order' => $Order,
             ],
             $request
         );
@@ -350,12 +359,12 @@ public function complete(Request $request)
         $this->session->remove($this->sessionKey);
         $this->session->remove($this->sessionCustomerAddressKey);
 
-        log_info('購入処理完了', [$orderId]);
+        log_info('購入処理完了', [$Order->getId()]);
 
         $hasNextCart = !empty($this->cartService->getCarts());
 
         return [
-            'orderId' => $orderId,
+            'Order' => $Order,
             'hasNextCart' => $hasNextCart,
         ];
     }
diff --git a/src/Eccube/Entity/Order.php b/src/Eccube/Entity/Order.php
index 3343f1f0b69..be07a534ae5 100644
--- a/src/Eccube/Entity/Order.php
+++ b/src/Eccube/Entity/Order.php
@@ -304,6 +304,20 @@ public function getTotalPrice()
      */
     private $currency_code;
 
+    /**
+     * @var string|null
+     *
+     * @ORM\Column(name="complete_message", type="text", nullable=true)
+     */
+    private $complete_message;
+
+    /**
+     * @var string|null
+     *
+     * @ORM\Column(name="complete_mail_message", type="text", nullable=true)
+     */
+    private $complete_mail_message;
+
     /**
      * @var \Doctrine\Common\Collections\Collection
      *
@@ -1136,6 +1150,70 @@ public function setCurrencyCode($currencyCode = null)
         return $this;
     }
 
+    /**
+     * @return null|string
+     */
+    public function getCompleteMessage()
+    {
+        return $this->complete_message;
+    }
+
+    /**
+     * @param null|string $complete_message
+     *
+     * @return $this
+     */
+    public function setCompleteMessage($complete_message = null)
+    {
+        $this->complete_message = $complete_message;
+
+        return $this;
+    }
+
+    /**
+     * @param null|string $complete_message
+     *
+     * @return $this
+     */
+    public function appendCompleteMessage($complete_message = null)
+    {
+        $this->complete_message .= $complete_message;
+
+        return $this;
+    }
+
+    /**
+     * @return null|string
+     */
+    public function getCompleteMailMessage()
+    {
+        return $this->complete_mail_message;
+    }
+
+    /**
+     * @param null|string $complete_mail_message
+     *
+     * @return
+     */
+    public function setCompleteMailMessage($complete_mail_message = null)
+    {
+        $this->complete_mail_message = $complete_mail_message;
+
+        return $this;
+    }
+
+    /**
+     * @param null|string $complete_mail_message
+     *
+     * @return
+     */
+    public function appendCompleteMailMessage($complete_mail_message = null)
+    {
+        $this->complete_mail_message .= $complete_mail_message;
+
+        return $this;
+    }
+
     /**
      * 商品の受注明細を取得
      *
diff --git a/src/Eccube/Resource/template/admin/Mail/order.twig b/src/Eccube/Resource/template/admin/Mail/order.twig
index b1a59952a61..f0de77a142c 100644
--- a/src/Eccube/Resource/template/admin/Mail/order.twig
+++ b/src/Eccube/Resource/template/admin/Mail/order.twig
@@ -89,4 +89,8 @@ file that was distributed with this source code.
 {% endfor %}
 {% endfor %}
 
+{% if Order.complete_mail_message is not empty %}
+{{ Order.complete_mail_message }}
+{% endif %}
+
 {{ footer }}
diff --git a/src/Eccube/Resource/template/default/Mail/order.twig b/src/Eccube/Resource/template/default/Mail/order.twig
index 6406f7ed68d..3a536b0d4d7 100644
--- a/src/Eccube/Resource/template/default/Mail/order.twig
+++ b/src/Eccube/Resource/template/default/Mail/order.twig
@@ -86,4 +86,8 @@ file that was distributed with this source code.
 {% endfor %}
 {% endfor %}
 
+{% if Order.complete_mail_message is not empty %}
+{{ Order.complete_mail_message }}
+{% endif %}
+
 {{ footer }}
diff --git a/src/Eccube/Resource/template/default/Shopping/complete.twig b/src/Eccube/Resource/template/default/Shopping/complete.twig
index acdfd619fa8..98d092caf9f 100644
--- a/src/Eccube/Resource/template/default/Shopping/complete.twig
+++ b/src/Eccube/Resource/template/default/Shopping/complete.twig
@@ -66,6 +66,9 @@ file that was distributed with this source code.
                 <h2>{{'shopping.text.message.thank_you_order'|trans}}</h2>
             </div>
             <p class="ec-reportDescription">{{'shopping.text.message.sent_email'|trans}}<br>{{'shopping.text.message.in_case'|trans}}<br>{{'shopping.text.message.thank_you_with_us'|trans}}</p>
+            {% if Order is not null and Order.complete_message is not empty %}
+                {{ Order.complete_message|raw }}
+            {% endif %}
             <div class="ec-off4Grid">
                 {% if hasNextCart %}
                     <div class="ec-off4Grid__cell"><a class="ec-blockBtn--primary" href="{{ url('cart') }}">購入を続ける</a></div> {# TODO 未翻訳 #}
diff --git a/tests/Eccube/Tests/Web/ShoppingControllerTest.php b/tests/Eccube/Tests/Web/ShoppingControllerTest.php
index 4f0238e200e..9281239e6e9 100644
--- a/tests/Eccube/Tests/Web/ShoppingControllerTest.php
+++ b/tests/Eccube/Tests/Web/ShoppingControllerTest.php
@@ -49,7 +49,9 @@ public function testRoutingShoppingLogin()
 
     public function testComplete()
     {
-        $this->container->get('session')->set('eccube.front.shopping.order.id', 111);
+        $Customer = $this->createCustomer();
+        $Order = $this->createOrder($Customer);
+        $this->container->get('session')->set('eccube.front.shopping.order.id', $Order->getId());
         $this->client->request('GET', $this->generateUrl('shopping_complete'));
 
         $this->assertTrue($this->client->getResponse()->isSuccessful());