She is an ideal young wife, serious, quiet, and always considerate of her husband. She would never cheat on him. One day, a man pushes her down, hoping to get his body, but she stubbornly refuses. In the midst of her resistance, her Kokoro are captured by a huge cock. She is so moved by how hard it is, and from the moment it is inserted, the gentle young wife ceases to be human. She becomes obsessed with the other man's cock, and becomes a pervert who repeatedly has sex while constantly yelling about how it is different from her husband's cock.