Satoshi falls in love with his friend's mother, Maki. - Not knowing what to do with his arousing emotions, he goes out of his way to grab her underwear. - However, when Maki sees this, he begins to distance himself from her due to the awkwardness. - She teaches Satoshi, an innocent man who doesn't even know how to masturbate, how to vent, but he loses himself in the first pleasure and pushes him down. - Maki's body can't resist the waves of pleasure as Satoshi's cock violently pistons over and over again like a monkey...