Tsubasa, a married woman who made a mistake in the house and asked her neighbor to act. The next day, the place where I was masturbating while cursing is seen again by my neighbor Mizutani. Mizutani treats Tsubasa who came to excuse sincerely and reassures her. Immediately after the silence of mutual consciousness flowed, a sudden visitor, Mizutani's penis erected in front of her who hid in the futon. The two, who should never have met, have a relationship that makes them sweaty after witnessing this masturbation.