Three years since her husband's passing. Mari Aoi has been tormented by an unhealable sense of loss and a pent-up sexual desire with no outlet. Days spent indulging in masturbation before her husband's portrait. She even finds herself wishing someone, anyone, would hold her. But never did she imagine that her own child, who had been peeping at her masturbation, would attack her in a state of excitement... Mari desperately tries to prevent her son from stepping into this forbidden world. Yet, at the same time, she also feels a surge of impulse from deep within her body...
