URLs

• https://www.pixiv.net/users/196991
• https://www.pixiv.net/stacc/katokenrock
• https://twitter.com/KATOKENROCK
• https://twitter.com/ktn_studio
• https://twitter.com/intent/user?user_id=148990569
• https://twitter.com/intent/user?user_id=1244427162
• https://sketch.pixiv.net/@katokenrock
• https://www.melonbooks.co.jp/circle/index.php?circle_id=4682
• http://katoken-works.com
• http://ktn-studio.net
• http://twitpic.com/photos/KATOKENROCK
• http://yfrog.com/user/KATOKENROCK/photos