With no money and no girlfriend, Yosuke's sex drive refuses to quit. Once again, he's restless, relieving himself with his right hand. But how long can this go on? As he fears his sanity slipping away, his eyes fall upon his mother, Shizuka, sleeping defenselessly. Her big tits, round soft buttocks, and smooth white skin... Yosuke suddenly realizes just how erotic his mother's body is, and forbidden desires begin to stir within him. Unable to resist the urge any longer, he stands up.