URLs

• https://www.pixiv.net/users/92417
• https://www.pixiv.net/stacc/katokoban
• https://twitter.com/kato_koban224
• https://twitter.com/intent/user?user_id=110104911
• https://nijie.info/members.php?id=14022
• https://sketch.pixiv.net/@katokoban
• http://www.sepia.dti.ne.jp/katokoban/
• http://erogamescape.dyndns.org/~ap2/ero/toukei_kaiseki/creater.php?creater=13287
• http://members.jcom.home.ne.jp/katokoban/
• http://p.twipple.jp/user/kato_koban224
• http://twitpic.com/photos/kato_koban224
• http://yfrog.com/user/kato_koban224/photos