https://www.pixiv.net/users/2792106
https://www.pixiv.net/stacc/leibniz_kuroko
https://twitter.com/leibniz_faircld
https://twitter.com/intent/user?user_id=175825732
https://www.deviantart.com/leibniz-fairchild
https://sketch.pixiv.net/@leibniz_kuroko
https://www.tinami.com/creator/profile/18627
http://p.twipple.jp/user/leibniz_faircld
http://twitpic.com/photos/leibniz_faircld
