URLs

• https://www.pixiv.net/users/577579
• https://www.pixiv.net/stacc/gakuseib
• https://twitter.com/Gakusei_B
• https://twitter.com/shakaijin_b
• https://twitter.com/intent/user?user_id=177594691
• https://twitter.com/intent/user?user_id=1010342355642167297
• https://sketch.pixiv.net/@gakuseib