Koji is staying at his aunt's Oda couple's house to attend a university in Tokyo. Koji was in trouble every day to admire the beauty of his aunt, who was reunited for the first time in several years. Life with my longing aunt is fun, but it's too stimulating. You have to somehow vent your libido before you make a mistake. - After worrying about it, she comes up with the idea of making her underwear smut, but her aunt sees her rubbing it against her soft panties.