It isn't unheard of to sleep with your friends after having too much to drink. However, when that friend happens to be a guy as well and you both happen to have girlfriends, things can get a little messy. In a moment of drunken youth gone wild, Tomo and Keita crossed the boundaries of being close friends to being lovers. Neither expected such a fiery obsession to ignite after a single night of passion or the pleasure to escalate after each subsequent encounter. Keeping the relationship hidden from their girlfriends, the two embark on a journey to find the limits of human passion.