Iori Kogawa married a husband who had a son her age. Since his stepmother was the same age as him, he didn't like her at all, because he thought Iori had some intention to marry his father. Even so, he still admits that she is very beautiful, every time Iori does housework, he secretly watches, very eager to have sex with the young stepmother. He placed a camera in the room of his father and stepmother, and found that his stepmother had to often masturbate because his father was tired from work and had no desire.
And so one day, he suddenly attacked Iori, tied her up in bed, brought her friends back to enjoy her stepmother, and his friends took turns fucking Iori, however, due to the lack of sex from the old man, he was no longer able to serve her, leaving her to masturbate, so she still feels very happy and enjoyed.
She didn't tell her husband again, and then, her husband's son found out that she seemed to like him, so he secretly raped her in the tolet... Seeing her stepmother happy. The next day he called them back to the house and... horrible sadisms...