URLs

• https://www.pixiv.net/users/316740
• https://www.pixiv.net/stacc/esecool
• https://twitter.com/BOSSchin3
• https://twitter.com/intent/user?user_id=308940377
• https://bosschin.fanbox.cc
• https://www.pixiv.net/fanbox/creator/316740
• https://sketch.pixiv.net/@esecool
• http://d.hatena.ne.jp/BOSS-c/