Ryota is staying at his aunt's house until he graduates from university. Although he is worried about living far away from his hometown, he is more than happy to be living with his aunt, whom he admires. However, as he lives with her, his carnal desires begin to grow. Feeling frustrated, Ryota comes up with the idea of using his aunt's underwear to relieve his desires before he makes a mistake. He indulges in playing alone, smelling the female scent from her freshly removed, hot panties, but then he runs into his aunt...