Takuya is living alone after being dumped by his girlfriend, when suddenly, without notice, his aunt Yuka shows up at his apartment. It seems that she ran away from home because her husband Keigo was cheating on her. "Takuya, do you have any alcohol? I can't do this without drinking!" Yuka says as she gulps down some beer and passes out drunk. Takuya becomes aroused as he watches Yuka sleeping defenselessly, and starts to touch her body gently...