A spin-off to Martini Kouryakuhou featuring Kousaka, and a cocktail called "Side Car"... This story also introduces two new characters: Kaneshiro Yuuichi and Miyashita Fumi.

A romance between a vampire and a human....
Riku delivers flowers to a western mansion for his part-time job and encounters 3 exceptionally beautiful men. Since then, he has been plagued with terrifying yet sensual wet dreams every night! Who was fondling him!? Riku couldn't help feeling violated, bewildered, and angry all at the same time....
Keito,one of the 3 occupants of the western mansion, is the culprit of Riku's downfall. He's on the hunt for Riku to fulfill a destiny intertwined with love and betrayal, thus a vampire legend unfolds!