Yuuichi, tormented by his unforgivable love for his stepmother Saye, finds some relief when she allows him to watch her masturbate. However, the young Yuuichi cannot restrain himself and attacks Saye. At the same moment, his father, who was at home, suddenly starts suffering and dies... After forty-nine days pass, despite feeling guilty towards his deceased father, Yuuichi continues his relationship with Saye. Unexpectedly, someone approaches him.
