The relationship between father and mother had grown cold, but the daughter was accepting her father's sexual desires, constantly being violated, and using him as an outlet for his sexual desires. Fearing pregnancy, the daughter asks her father to use a condom. Frustrated by her daughter's independence, the father not only rapes her, but also begins to train her harshly. With each training, the daughter's body evolves into that of a lustful female, and eventually she begins to desire her father in her heart as well.