https://www.pixiv.net/users/1238403
https://www.pixiv.net/stacc/sarufu
https://twitter.com/rfmko
https://twitter.com/intent/user?user_id=148738633
https://sketch.pixiv.net/@sarufu
http://blogs.yahoo.co.jp/joy_gokuloyamave_saruf
https://twitter.com/rafumoko
http://p.twipple.jp/user/rafumoko
http://twitpic.com/photos/rafumoko