Kareki Tsunetaka continues his mission to drive his father's new family out of his home, turning his attention to the rude and condescending second daughter, Yuki. Using hidden cameras and wiretaps, Tsunetaka discovers Yuki's secret sexual relationship with a female classmate. He uses this evidence to blackmail her, forcing her into a submissive sexual relationship and successfully breaking her spirit. With Yuki now under his control, Tsunetaka sets his sights on his final target: the stepmother.