Punchline’s New Purpose (Batman) [Metrinome] is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Metrinome_Alpha. Genres include: Big Breasts, Cartoon, Cartoon Porn, Eyemask, Ffm Threesome. Featuring characters: Batman, Harley Quinn, Punchline. Part of the Batman series. Browse related titles by the same artists, genres and characters below.