Ayame, a housewife living harmoniously with her husband and college student son. One hot summer day, the air conditioner broke down and would take several days to repair. Her husband was leaving on a business trip the next day, so Ayame decided to sleep in her son's room, which had air conditioning, until it was fixed. However, her son, who had seen his mother masturbating during the day, could no longer suppress his desires and raped his sleeping mother in his own room. Knowing it was wrong, but Ayame gradually fell into the pleasure of her son's penis...
