URLs

• https://www.pixiv.net/users/255395
• https://www.pixiv.net/stacc/katsukin
• https://twitter.com/kyodaiduma
• https://twitter.com/intent/user?user_id=88226558
• https://pawoo.net/@katsukin
• https://pawoo.net/web/accounts/210234
• https://sketch.pixiv.net/@katsukin
• http://www.kyodaiduma.net
• http://twitpic.com/photos/kyodaiduma