Ayaka, a daughter-in-law who lost her husband in an accident, Ayaka to leave her father-in-law alone, and for some reason couldn't leave the house. When his daughter-in-law was seduced by a relative not much older than him, his ethics and reservedness towards his son were blown away, and his father-in-law's regret and pent-up feelings for his daughter-in-law were revealed. Meanwhile, Ayaka, while in despair after being raped, begins to realize from her loneliness that she has faint feelings for her father-in-law. "Father-in-law, I know this is wrong, but..." "Ayaka, no Ayaka. I mean, it's okay now..."