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Tragedy That Happened At Her Husband's Parents' House Nakamura Nisaki
Newlywed Koichi, accompanied by his wife, returned to his parents' house where his mother and brother-in-law live for the first time in a long time.However, by chance, his brother and his wife have a physical relationship.Furious at his wife's cuckolding, Koichi surrenders himself to revenge and surpasses his brother-in-law, Hisaki.The happy family collapses, and the family home has turned into a hell of lust, and the days of harassment to Nisaki continue.