URLs

• https://www.pixiv.net/users/57984330
• https://www.pixiv.net/stacc/user_xyrf8773
• https://twitter.com/mask_maker1957
• https://twitter.com/intent/user?user_id=830469609509642241
• https://seiga.nicovideo.jp/user/illust/66403689
• https://www.nicovideo.jp/user/66403689