Shy and constantly mocked, Kyo spent his youth at the bottom of the social ladder. Even Mihana, the classmate he secretly admired, treated him with contempt. Years later they become coworkers, but she does not remember him and cheerfully acts familiar, all while enjoying a happy marriage. Consumed by resentment, Kyo plots to destroy her life by secretly dosing her with aphrodisiacs and drawing her into drug-fueled sex as revenge.