URLs

• https://www.pixiv.net/users/421637
• https://www.pixiv.net/stacc/zama_masaaki
• https://twitter.com/ZamaMasaaki
• https://twitter.com/intent/user?user_id=111042375
• https://sketch.pixiv.net/@zama_masaaki
• http://www.rr.iij4u.or.jp/~zama/
• http://twitpic.com/photos/ZamaMasaaki