Large Tattoo Hentai Comics

(C49) [Genkotsu Dan] Tenchi Nikurin (Tenchi Muyou!)

This manga is an old-style hentai manga that also seems to be a collection of stories that are part of the same universe of anime. This isn`t a mainstream product, but you should definitely check it out. You will enjoy the story if you are proficient in the local language.