URLs

• https://www.pixiv.net/users/71446
• https://www.pixiv.net/stacc/ch3cooh
• https://twitter.com/cVo89d7dmvth646
• https://twitter.com/intent/user?user_id=1115099576908664832
• https://sketch.pixiv.net/@ch3cooh
• http://www.edit.ne.jp/~katase
• http://katase.thick.jp
• http://katase.thick.jp/cg/
• http://katase.thick.jp/index.html