Artist. Has a detailed knowledge of Ukiyo-e and tako-e. He also likes kigurumis.
Japanese name: 一魁斎 (Ikkaisai) (The name came from Tsukioka Yoshitoshi's art-name.)
Name for his Ukiyo-e-related artworks: 一魁斎 正敏 (Ikkaisai Masatoshi)
Site name: 魁 一文字 (Sakigake Ichimonji)
Members-only circle/fandom name: 魁堂 (Sakigake-dou)
https://www.pixiv.net/users/2180540
https://www.pixiv.net/stacc/ikkaisai
https://twitter.com/ikkaisai
https://twitter.com/intent/user?user_id=826155120
https://seiga.nicovideo.jp/user/illust/10568299
http://dic.nicovideo.jp/a/一魁斎
http://dic.nicovideo.jp/id/4732847
http://www.nicovideo.jp/mylist/13741552
https://www.nicovideo.jp/user/10568299
http://sakigake.web.infoseek.co.jp/index.htm