In a moment of reckless abandon, two friends, Tomo and Keita, cross the line from friendship to intimacy after a night of excessive drinking, despite both being in relationships with girlfriends. The encounter sparks an unforeseen and all-consuming passion, with each subsequent tryst igniting a fiercer obsession. As they navigate the treacherous landscape of their hidden affair, Tomo and Keita embark on a clandestine journey to explore the depths of human desire, testing the boundaries of their relationship and the limits of their own passion.