URLs

• https://www.pixiv.net/users/10989
• https://www.pixiv.net/stacc/cooairon
• https://twitter.com/cooairon
• https://twitter.com/intent/user?user_id=14659448
• https://sketch.pixiv.net/@cooairon
• https://www7b.biglobe.ne.jp/~cooaironug/