My mother remarried to a son and both of them are lascivious.Her mother is also lewd, so she starts having sex in front of her stepfather and daughter.Her daughter eventually gets impatient and ends up with her brother-in-law.The father-in-law, who can't help but want to do it with her daughter, approaches her daughter saying that he will cry if she divorces her mother, and makes her daughter.However, Ikimakuri is an erotic woman inherited from her mother, and this mother has this daughter.