After being said by his friend Himori, "Your mother is so beautiful?", Takuro began to be aware of her mother. Seeing her not being protected, such as wrapping towels after bathing, strengthening her romantic emotions. When his father was on a long business trip, he boldly confessed to his mother but was easily caught up in but could not control his feelings, day by day to pull out his mother's liking and dislike. One day, she was angry when she saw her masturbating in her mother's pants.