Mash’s Secret Training Regime (Fate/Grand Order) [Zhen Lu] is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Zhen Lu. Genres include: Ahegao, Anal, Big Breasts, Cartoon Porn, Collar / Choker. Featuring characters: Gudao, Shielder. Part of the Fate Grand Order series. Browse related titles by the same artists, genres and characters below.