Bakunyuu Shimai
English name: Bomb Milk Sisters
Genres: Hentai
Type: OVA, Episodes: 2
Aired: Apr 8, 2005 to Jul 8, 2005
Studio: Y.O.U.C
Source: Original
Rating: Rx - Hentai
Synopsis:
One night, whilst impoverished student Tashiro Shinji was sleeping in his apartment, a beautiful and naked girl appeared in a flash of light. In fact, she's actually an alien named Julia who is searching for her elder sister.

(Source: AnimeNfo)