Ryota is staying at his aunt's house to attend a university in Tokyo. I was grateful for the boarding house itself, but I was troubled by the fact that I was too close to my aunt, Ayumi, whom I had longed for for a long time. I'm not human enough to be able to be calm with the woman I'm in love with in front of me. Ryota, who has finally reached the limit of his patience, takes off his panties and lusts after them, secretly wraps them around him and starts playing alone. However, unfortunately, Ayumi came there ...