Oshima, the boss who guides his subordinate's husband in work at home. Riku finds him repulsive, but Oshima has other intentions. He appears during her husband's absence and uses her husband's poor performance as an excuse to assault Riku. Despite having a kind-hearted husband, his sadistic training spirals out of control! Oshima makes Riku spread her legs by his side, skillfully manipulating her into falling. Riku's body grows hot and numb under his verbal abuse…
