[Koshi no Itami (Koshii Tai)] Omankoformers: All Hail Megadick (Transformers) [English] [head empty + Wiimouto] [Digital] is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Koshiitai. Genres include: Anal, Big Ass, Big Breasts, Big Penis, Blowjob. Features 7 characters including Bumblebee, Megatron, Optimus Prime and more. Part of the Transformers series. Browse related titles by the same artists, genres and characters below.