chiharu sakai, who debuted as a real housewife and gained immense popularity, collaborates with Pink Family for the first time! A housewife who moved to the countryside had to take care of her mother-in-law in an unfamiliar environment. Meanwhile, her younger step brother from Tokyo jokes, "i'll be your partner. haven't you been lonely?" her pent-up desires explode, and they end up having creampie sex multiple times.