diff --git a/config/_default/languages.ja.toml b/config/_default/languages.ja.toml
index 22a2cc7..39873d7 100644
--- a/config/_default/languages.ja.toml
+++ b/config/_default/languages.ja.toml
@@ -21,4 +21,5 @@ dateFormat = "2006-01-02"
     { twitter = "https://twitter.com/everun1989" },
     { facebook = "https://www.facebook.com/groups/everun/" },
     { instagram = "https://instagram.com/everun1982" },
+    { email = "mailto:info@everun.club" },
   ]
diff --git a/config/staging/languages.ja.toml b/config/staging/languages.ja.toml
index 22a2cc7..39873d7 100644
--- a/config/staging/languages.ja.toml
+++ b/config/staging/languages.ja.toml
@@ -21,4 +21,5 @@ dateFormat = "2006-01-02"
     { twitter = "https://twitter.com/everun1989" },
     { facebook = "https://www.facebook.com/groups/everun/" },
     { instagram = "https://instagram.com/everun1982" },
+    { email = "mailto:info@everun.club" },
   ]
diff --git a/data/authors/武蔵一弘.json b/data/authors/武蔵一弘.json
index c4309d4..7d67a3c 100644
--- a/data/authors/武蔵一弘.json
+++ b/data/authors/武蔵一弘.json
@@ -10,6 +10,7 @@
         { "github": "https://github.com/kazu634" },
         { "strava": "https://www.strava.com/athletes/89291248" },
         { "flickr": "https://www.flickr.com/photos/42332031@N02/" },
-        { "foursquare": "https://foursquare.com/musashikazuhiro" }
+        { "foursquare": "https://foursquare.com/musashikazuhiro" },
+        { "email": "mailto:musashi@everun.club" }
     ]
 }
diff --git a/data/authors/管理人.json b/data/authors/管理人.json
index 6e64805..e6cd8c7 100644
--- a/data/authors/管理人.json
+++ b/data/authors/管理人.json
@@ -5,6 +5,7 @@
     "social": [
         { "twitter": "https://twitter.com/everun1989" },
         { "facebook": "https://facebook.com/groups/everun" },
-        { "instagram": "https://www.instagram.com/everun1982/" }
+        { "instagram": "https://www.instagram.com/everun1982/" },
+        { "email": "mailto:info@everun.club" }
     ]
 }