https://www.pixiv.net/users/272545
https://www.pixiv.net/stacc/shirokuro_aqua
https://twitter.com/Shirokuro_Evo
https://twitter.com/shirokuro_aqua
https://twitter.com/intent/user?user_id=128487410
https://twitter.com/intent/user?user_id=1370812661311569921
https://sketch.pixiv.net/@shirokuro_aqua
http://mixi.jp/show_friend.pl?id=20556229/
https://www.pixiv.net/stacc/kanata1985
http://twitpic.com/photos/Shirokuro_aqua