Kenji is staying with his aunt Chisato, whom he has had a crush on for a long time. Although it is only until he finds a nice apartment, he is ecstatic to be living alone under the same roof as the woman he admires. With his desires rising within him, he sneaks into the changing room and comes up with the idea of using her freshly removed, warm panties as stimulant material. He is enveloped in the rich, sweet scent of her lukewarm underwear and feels happy when he is unfortunately seen by Chisato...