Koji, a friend of her son who had started working earlier, came to stay over after a long time. Unlike her student son, Ayaka was impressed by his adult responses. Intrigued by him being busy with work and not having any women, she casually tried to seduce him... But no matter how many times he went at it, his relentless sex drive made Ayaka feel like she was going insane from being fucked non-stop! Afterwards, every day Koji's endless desire for Ayaka pushed her body to its limits...
