Adult college student Tatsuya is staying at his aunt's home while studying out of the prefecture. Living with the aunt he has always admired is comfortable, but it also puts his self-control to the test. Afraid he might cross a line, he tries to calm his urges by secretly inhaling the scent of her freshly worn panties—only to get caught. Instead of reacting with disgust or awkwardness, his aunt wraps those panties around his cock and begins stroking him...