Koji lives at his aunt's Oda couple's house to attend university in Tokyo. Koji was at a loss every day to admire the beauty of his aunt who met again for the first time in several years. Life with his longing aunt is fun but too stimulating. He must somehow vent his libido before he makes a mistake. After thinking about it, he comes up with the idea of using his underwear as a side dish, but his aunt sees him rubbing against his soft panties.
