My nephew Yuya is staying at my aunt's house near the university I attend. I was satisfied with the life alone with my longing aunt, although there was a time limit until my uncle returned from an overseas business trip. However, the communal life with her longing aunt fueled her desires day by day, and Yuya, who couldn't stand it, secretly masturbated with her aunt's underwear. I was soaking in the blissful moment by smelling the panties today, but ... my aunt came over there ...