[Amuai Okashi Seisakusho (Tsukumaru)] Production Process for a Single Lewd Girl on the TS Onahole Factory. With Some Aftermath [English] [GTF] is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Tsukumaru. Genres include: Ahegao, Big Breasts, Blowjob, Breast Expansion, Full Color. Part of the Original series. Browse related titles by the same artists, genres and characters below.