URLs

• https://www.pixiv.net/users/935470
• https://www.pixiv.net/stacc/karasuyama
• https://twitter.com/karasuyama
• https://twitter.com/intent/user?user_id=36295503
• https://sketch.pixiv.net/@karasuyama
• http://d.hatena.ne.jp/karasuyama/
• http://twitpic.com/photos/karasuyama