URLs

• https://www.pixiv.net/users/7411728
• https://www.pixiv.net/stacc/pikatan_black
• https://seiga.nicovideo.jp/user/illust/24497830
• https://www.nicovideo.jp/user/24497830
• https://sketch.pixiv.net/@pikatan_black
• https://twitter.com/ritodemosl
• https://twitter.com/intent/user?user_id=563581379