Ichika, who lives with her husband and stepfather, couldn't stand her stepfather's malicious personality. Because of this personality, his wife ran away, leaving him with an excess of sexual desire and constantly erect. Ichika hates her stepfather but, since her husband has erectile dysfunction, she can't help but stare at her stepfather's magnificently erect member. Mistaking this for affection, the stepfather plots to calm his erection by raping his stepdaughter at night with his over-erect penis. The unfaithful wife reaches orgasm in unwanted sex with her stepfather, whose perfect erection is beyond comparison to her husband.
