diff --git a/database/cloud-server.mwb b/database/cloud-server.mwb
new file mode 100644
index 0000000..5343626
Binary files /dev/null and b/database/cloud-server.mwb differ
diff --git a/src/application/controller/index.php b/src/application/controller/index.php
new file mode 100644
index 0000000..aa42257
--- /dev/null
+++ b/src/application/controller/index.php
@@ -0,0 +1,3 @@
+<?php
+
+require(PROJECT_DIR . '/view/index.phtml');
\ No newline at end of file
diff --git a/src/application/model/model.php b/src/application/model/model.php
new file mode 100644
index 0000000..f23313c
--- /dev/null
+++ b/src/application/model/model.php
@@ -0,0 +1,20 @@
+<?php
+
+class Model {
+
+    protected $db;
+
+    public function __construct(string $database,
+                                string $hostname,
+                                int $port,
+                                string $user,
+                                string $password) {
+        try {
+            $this->db = new PDO('mysql:dbname=' . $database . ';host=' . $hostname . ';port=' . $port . ';charset=utf8', $user, $password, [PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8']);
+            $this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+            $this->db->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
+        } catch(PDOException $e) {
+            trigger_error($e->getMessage());
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/application/view/index.phtml b/src/application/view/index.phtml
new file mode 100644
index 0000000..e69de29
diff --git a/src/bootstrap.php b/src/bootstrap.php
new file mode 100644
index 0000000..dd4ab01
--- /dev/null
+++ b/src/bootstrap.php
@@ -0,0 +1,5 @@
+<?php
+
+require(__DIR__ . '/config.php');
+
+require(PROJECT_DIR . '/model/model.php');
\ No newline at end of file
diff --git a/src/config-default.php b/src/config-default.php
new file mode 100644
index 0000000..dbd4022
--- /dev/null
+++ b/src/config-default.php
@@ -0,0 +1,12 @@
+<?php
+
+// COMMON
+define('PROJECT_HOST', '');
+define('PROJECT_DIR', __DIR__);
+
+// DB
+define('DB_HOSTNAME', 'localhost');
+define('DB_PORT', 3306);
+define('DB_DATABASE', '');
+define('DB_USERNAME', '');
+define('DB_PASSWORD', '');
\ No newline at end of file
diff --git a/src/public/index.php b/src/public/index.php
new file mode 100644
index 0000000..bfdaa41
--- /dev/null
+++ b/src/public/index.php
@@ -0,0 +1,3 @@
+<?php
+
+require('../bootstrap.php');
\ No newline at end of file
diff --git a/src/system/helper/common.php b/src/system/helper/common.php
new file mode 100644
index 0000000..3926be5
--- /dev/null
+++ b/src/system/helper/common.php
@@ -0,0 +1,8 @@
+<?php
+
+function plural(int $number,
+                array $texts) {
+
+  $cases = [2, 0, 1, 1, 1, 2];
+  return $texts[(($number % 100) > 4 && ($number % 100) < 20) ? 2 : $cases[min($number % 10, 5)]];
+}
\ No newline at end of file