Takashiro Naoya is a handsome salaryman who works for a top company. However, he is also a notorious playboy with a bad taste in women. By chance, he ends up becoming the live-in muse for Fukunaga Akane, an erotic fiction writer who has little experience in love.
Sugai works as a driver at a chauffeur service company at night. On the night of a full moon weekend, he is told to pair up with a newcomer Kariya. Kariya is a mysterious young guy who gives a silly quiz to Sugai while they work. Sometime later, a drag queen comes to the office and asks for Sugai, saying that someone is trying to kill him. Sugai actually has a past that he could never forget. His colleague tells him that on the night of a full moon weekend something bad would happen...
