A year after losing her only son, Takashi, Yumi couldn't bring herself to clean out his room. Today is Takashi's death anniversary... Summoning her courage, she enters Takashi's room and finds a pile of pornographic books and DVDs. Despite her confusion, she can't help but feel aroused and starts masturbating. Suddenly, she feels like someone is watching her, and her body freezes up. 'Could this be sleep paralysis...?' As Yumi approaches the mysterious presence, what is its true identity!?
