URLs

• https://www.pixiv.net/users/15299935
• https://www.pixiv.net/stacc/skeleton_of_a_horse
• https://twitter.com/Bakotsu_Ura
• https://twitter.com/Dokono_Bakotsu
• https://twitter.com/intent/user?user_id=1108236280838516736
• https://twitter.com/intent/user?user_id=1168824629424615424
• https://sketch.pixiv.net/@skeleton_of_a_horse