A peaceful family is struck by a sudden tragedy. In the diary left behind by the deceased wife, a shocking truth is revealed: Mikako, believed to be their biological daughter, is actually the child of an affair. Upon learning this, the father's love turns to hatred, trembling with rage. He hires male relatives to rape her, and the girl is repeatedly violated by the very family she once loved, broken down completely. A cruel gangbang breeding with creampie after creampie, deep throat, and endless sobbing—this merciless assault continues without end. Mikako's tragedy unfolds in a harrowing tale where the line between love and hatred blurs beyond recognition.