Akari and his wife from Osaka to care for their father-in-law. A sister-in-law who does not think such Akari and his wife are cold to Akari. On the other hand, my father-in-law was sexually harassing aiming at Akari's body. Akari cannot resist the act of her father-in-law who escalate more and more, and finally has a relationship with her father-in-law. "You ... I'm sorry ..." He continued his relationship with his father-in-law for his beloved husband, even though his heart and body were shattered.
