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Haruki marries Tomoo and ends up living in her husband's parents' house. Only my father-in-law and brother-in-law lived in my parents' house, and the only woman, Haruki, had a big presence. One day, a masked man appears and Haruki is raped. And the one who takes care of Haruki is Takahide, the youngest brother-in-law who should not be at home. Ever since Takahide was suspected of being raped in the past, he has been shut up in the basement. Then, without knowing who the culprit who committed Haruki is, the dirty background of the family gradually comes to light...