[ Anime XXX ] Gitai saimin 01

Student Murakoshi Shinta is prone to illusions of grandeur. While he's been living a dreary and routine existence, he's been keeping this secret from everyone else. An extraterrestrial parasite invades his penis one day. There is a problem with Murakoshi's crotch being exposed, but the alien tells him that no one will notice since it can fog people's brains. In order to gratify his cravings, Murakoshi makes use of this talent.