A father-in-law whose wife ran away and who now lives alone with his daughter, is aroused by his innocent and cute daughter. When he sees his daughter naked while she is taking a bath, his crotch becomes rock hard. He presses his cock into her, strips her naked and forces it into her mouth. His desire is uncontrollable, and he plays with his daughter every day as a sex slave, enjoying her holes as a sex doll to satisfy his sexual desires. The daughter also begins to feel aroused by her father's relentless advances and grows into an adult.