https://www.pixiv.net/users/45124
https://www.pixiv.net/stacc/Soichi
https://twitter.com/Soichi_
https://twitter.com/soichi1111
https://twitter.com/intent/user?user_id=842296255850004481
https://twitter.com/intent/user?user_id=1069154084937068544
http://www.nicovideo.jp/mylist/25111095
https://pawoo.net/@Soichi_
https://pawoo.net/web/accounts/179756
https://sketch.pixiv.net/@Soichi
http://yuyu24.fc2web.com
http://p.twipple.jp/user/Soichi_
http://twitpic.com/photos/Soichi_