While investigating a murder case, Detective Hishinuma Kazuha is reunited with mobster, Hyoudou Itsuki. During their junior high school days, their relationship was like oil and water; Kazuha minded his own business and Hyoudou was emotionally attached. Hyoudou is at a bargaining point as he approaches Kazuha: he'll divulge important information about the case in exchange for Kazuha's body. Kazuha refuses such an unfathomable request, but Hyoudou, the unrestrained beast, takes control... These two interwoven men and their superb, wild, beast-like love!