ukon (hadaka y-shirt tomo no kai)
Doujin novelist / fanfic story creator. Usually asks the other artists to draw art for his doujin novels.
He often uploads doujin cover pages and samples to his pixiv account with permission of the real artists.
Japanese name: 右近 (Ukon)
Circle & site name: 裸Ｙシャツ友の会 (Hadaka Y-shirt Tomo no Kai)