Natsu, a life insurance lady, lives with her daughter and son-in-law. Desperate to fulfill the contract quota, she uses her own body and makes him cum inside her. This month, when there is only one quota left, I will lock on to my son-in-law. Even if he is my daughter's husband... ever since Natsu seduced us and we had sex with creampie... we can't forget each other's bodies... our relationship becomes unstoppable...