Atsushi, a nephew, comes to Tokyo from the countryside where her husband's parents live to take an entrance exam to live with Mr. and Mrs. Oshikawa, who live in Tokyo. The couple welcomes him kindly, but Atsushi, who is in the prime of his life, secretly borrows his aunt's underwear and masturbates in secret. Her aunt, who had witnessed the scene, tried to soothe and calm Atsushi, who was flustered, by saying the following... Understood