Atsushi headed to his friend's house to deliver the forgotten item of his father's new wife, Ruri. As he was about to press the intercom, he saw a note saying 'Out of order.' It being late at night, he couldn't shout loudly and tried calling out but got no response from inside. Reluctantly, he grabbed the doorknob and found it unlocked. He cautiously peered inside and saw an unknown man embracing Ruri… Driven by his father's betrayal and Ruri's insatiable lust, Atsushi lunged at them!
