Satoru descends further into a cycle of forbidden lust, torn between the mature charms of Yukari and the deceptive innocence of her daughter, Miku. As Miku's manipulative nature pushes him toward total moral collapse, Satoru's stable relationship falls apart, leaving him caught in a volatile power struggle between mother and daughter. The boundaries of propriety vanish completely as the two women compete for dominance over Satoru's body and soul.