Reiko, who married a man with ●, her stepfather●● cannot have sex due to his large penis and remains a virgin. Knowing this, she struggles internally but exhibits maternal instincts and decides to take his virginity. However, faced with the strong sexual desire and unstoppable large penis typical of youth, Reiko also becomes engrossed in the large penis sex she has never experienced before… "My body has been yearning for your penis" Reiko cannot stop riding him as her vagina is tightly filled to the depths by the large penis. She can only love a large penis now！！
