URLs

• https://www.pixiv.net/users/3910580
• https://www.pixiv.net/stacc/sakura_fuyuki
• https://twitter.com/sakurafuyuki
• https://twitter.com/intent/user?user_id=426411765
• https://seiga.nicovideo.jp/user/illust/5601168
• https://www.nicovideo.jp/user/5601168
• http://sakufuyu.dou-jin.com