One day, while her son's friend Hirokazu was staying over at her house, Akemi accidentally caught him masturbating. Embarrassed by his actions, she decides to tease him further by inviting him out for drinks later that night. However, what starts off innocently soon turns into an intense encounter when Hirokazu's insatiable cock refuses to stop shooting its load inside of her... Despite their initial embarrassment about getting caught multiple times by Akemi's family members, they continue their secret affair behind closed doors until eventually even Hirokazu's superhuman endurance begins taking its toll on poor Akemi's body...
