URLs

• https://www.pixiv.net/users/253702
• https://www.pixiv.net/stacc/sr-kai
• https://twitter.com/kaiiii
• https://twitter.com/intent/user?user_id=25992560
• https://sketch.pixiv.net/@sr-kai
• https://kaikousaku.tumblr.com
• http://pixiv.cc/sr-kai
• http://drawr.net/sr-kai