A nephew lives with his uncle and parents while attending university in Tokyo. He can't hide his inner excitement at seeing his beautiful aunt, whom he has admired since childhood, so vulnerable under the same roof. If this continues, his sexuality will overflow and he must take action. To avoid going astray, he came up with a way to release his desire by using his aunt's freshly removed panties. The nephew inhaled the sweet smell of his aunt's sweaty panties. Just as he was about to masturbate by rubbing his cock against his aunt, she came out of the bathroom...