Artist, mangaka, and self-proclaimed Twitter web marketer.
He is the author and illustrator of mutou_to_satou and Ano Ko wa Itsumo Yureto Runa (あの子はいつも揺戸瑠菜).

Mangaka pen name: 赤塚大将 (Akatsuka Taishou)
Nickname: マゼンタ (Magenta)
Old name: 紅間 ゼンタ (Akama Zenta)

See also

• Pixiv account: http://www.pixiv.net/member.php?id=261894
• Twitter account: http://twitter.com/AKAmagenta
• Booth web store: http://aka-magenta.booth.pm/
• Clen account: http://clen.be/posts/231