Her mother's remarriage was decided suddenly without any consultation... Amu, the daughter, heads to her new father's house with mixed emotions. Her new father is taken aback by the large breasts of his stepdaughter. Amu feels her father's gaze and feels disgusted, but living with an attractive woman with large breasts, even though she is his daughter, gradually begins to expose her father's desires. Her father's desires become more obvious as he sexually harasses her, and on a rainy day... Amu comes home in her uniform soaked, and her father comes home soaked as well, and when the father sees his daughter in her wet uniform...