URLs

• https://www.pixiv.net/users/14981
• https://www.pixiv.net/stacc/t_tsutsui
• https://twitter.com/Taishi_Tsutsui
• https://twitter.com/intent/user?user_id=128515845
• https://sketch.pixiv.net/@t_tsutsui
• http://tsutsuitaishi.blog.fc2.com