Madoka moved to Tokyo without a clear reason and impulsively started living with her boyfriend. Skipping school, she spends her days having sex over and over. Yet, over time, she begins to feel emotionally empty. She tries calling a phone club and hooking up with other men, but something still feels missing. Then, her former high school teacher unexpectedly steps in, offering comfort in a physical way. Caught off guard, Madoka's heart begins to waver.