Gotham Sirens (Batman) [Metrinome_Alpha] is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Metrinome_Alpha. Genres include: Beauty Mark, Bondage, Cartoon, Cartoon Porn, Eyemask. Featuring characters: Catwoman, Harley Quinn, Poison Ivy. Part of the Batman series. Browse related titles by the same artists, genres and characters below.