Ryota ends up staying at his aunt's house for a limited time until he graduates from university. Although he was worried about living far away from his hometown, he was even more happy to be able to live with his aunt, whom he admired. However, as they live together, their sexual desires begin to grow. Ryota is in a state of agony, and before he makes a mistake, he comes up with the idea of getting rid of his desire by wearing his aunt's underwear. He indulges in playing alone while smelling the scent of female scent from freshly taken off panties and other panties, but... he runs into his aunt...