Misono is a young wife who is devoted to her husband. She was living happily until her husband went on a business trip for a month. The month was supposed to pass uneventfully, but she fell into the clutches of her sexually ravenous father-in-law and crossed the line. From that day on, her nightmarish days began! An affair took place at home, morning and night, without her husband around! Despite her unpleasant feelings, her body is developed and Kokoro is corrupted... Her happy daily life will never return...