On a night returning home to his wife's parents' house after a long absence, he secretly harbored feelings for his stepmother. That evening, he accidentally witnessed her performing sexual relief on his younger brother, and unable to restrain himself, he went quietly to her room late at night. He silently attacked her as she slept, thrusting deep inside her in one motion. At that moment, an intense pleasure enveloped his entire body. His stepmother also trembled with pleasure, blissfully accepting him within. Her expression seemed completely transformed, as if she were someone else—just like Ren.