平凡宅男千部太郎（濑户康史 饰）有个可爱的女朋友。他们最初是从邻居开始认识而来，太郎亲切的以“801”这个门牌号称呼自己的女友。随着相处时日的加深，801酱有了许许多多他之前不曾知道的一面，譬如说女友其实是个腐女。在此之前，太郎完全不知道女友整日迷恋的“攻”“受”为何涵义，而在了解了女友的喜好之后，太郎也无法像女友那样找出他们之中的萌点。每当女友痴迷于BL时，太郎都仿佛能看到从她的背后跳出了一只绿色的生物，而这样的女友让太郎觉得既无奈又可爱。宅男和腐女的故事在平凡中上演。
本片最初由漫画家小岛安治子在博客上连载，以4格漫画的形式讲述这个特殊组合的故事。

2006 Japanese film

Kairo Aoi, a young teacher with striking good looks, has just learned that his new student, Sora Amakami, is the alluring teen prostitute he once hired. Here the nightmare begins. As the walls of the prestigious academy become a percolating hotbed of sexual intrigue, prostitution and blackmail, other students, including Sora's nerdy roommate and the sinister campus bully, are pulled down the same torrid path of unquenchable desire toward the inevitable moment when obsession turns deadly.