One day, Yuria, a married woman living next door to Takahashi, a single man living alone, suddenly shows up at his house. It seems that she ran away from home after a fight with her husband over his infidelity. Takahashi decides to hide Yuria for a while, but he can't stop his desires from rising up in him as he lives with Yuria, whom he has had feelings for for a long time. When Yuria goes into the bath, Takahashi can no longer suppress his desires, and he ends up sniffing Yuria's underwear.