diff --git a/kanken_online/lang.py b/kanken_online/lang.py
index ebc144f..c0b5635 100644
--- a/kanken_online/lang.py
+++ b/kanken_online/lang.py
@@ -3,7 +3,10 @@ EXISTING_STRINGS = {
     "options",
     "log_in",
     "register",
-    "log_out"
+    "log_out",
+    "main_page",
+    "username",
+    "password"
 }
 
 ENGLISH = {
@@ -13,7 +16,10 @@ ENGLISH = {
     "register": "Register",
     "log_out": "Log out",
     "kanji": "Kanji",
-    "forum": "Forum"
+    "forum": "Forum",
+    "main_page": "Main Page",
+    "username": "Username",
+    "password": "Password"
 }
 
 JAPANESE = {
@@ -23,7 +29,10 @@ JAPANESE = {
     "register": "登録",
     "log_out": "ログアウト",
     "kanji": "漢字",
-    "forum": "掲示板"
+    "forum": "掲示板",
+    "main_page": "ホームページ",
+    "username": "ユーザー名",
+    "password": "パスワード"
 }
 
 LANGUAGES = [
diff --git a/kanken_online/templates/auth/login.html b/kanken_online/templates/auth/login.html
index bdf4547..2a53d73 100644
--- a/kanken_online/templates/auth/login.html
+++ b/kanken_online/templates/auth/login.html
@@ -1,15 +1,15 @@
 {% extends 'base.html' %}
 
 {% block header %}
-  <h1>{% block title %}Log In{% endblock %}</h1>
+  <h1>{% block title %}{{ localize("log_in") }}{% endblock %}</h1>
 {% endblock %}
 
 {% block content %}
   <form method="post">
-    <label for="username">Username</label>
+    <label for="username">{{ localize("username") }}</label>
     <input name="username" id="username" required autofocus>
-    <label for="password">Password</label>
+    <label for="password">{{ localize("password") }}</label>
     <input type="password" name="password" id="password" required>
-    <input type="submit" value="Log In">
+    <input type="submit" value="{{ localize("log_in") }}">
   </form>
 {% endblock %}
\ No newline at end of file
diff --git a/kanken_online/templates/index.html b/kanken_online/templates/index.html
index 9230368..ad6ab13 100644
--- a/kanken_online/templates/index.html
+++ b/kanken_online/templates/index.html
@@ -1,7 +1,7 @@
 {% extends 'base.html' %}
 
 {% block header %}
-  <h1>{% block title %}Main Page{% endblock %}</h1>
+  <h1>{% block title %}{{ localize("main_page") }}{% endblock %}</h1>
 {% endblock %}
 
 {% block content %}
diff --git a/kanken_online/templates/options.html b/kanken_online/templates/options.html
index d8c665a..8350068 100644
--- a/kanken_online/templates/options.html
+++ b/kanken_online/templates/options.html
@@ -1,7 +1,7 @@
 {% extends 'base.html' %}
 
 {% block header %}
-  <h1>{% block title %}Options{% endblock %}</h1>
+  <h1>{% block title %}{{ localize("options") }}{% endblock %}</h1>
 {% endblock %}
 
 {% block content %}