Two mature women compete for the younger man under one roof.

It has been three years since Kumi, the third daughter of the three sisters, married and left Osaka, and it has been 10 years since her parents left Kyushu, saying that they would start farming after retirement. The eldest daughter, Maika and second daughter, Hitomi, are left behind at their parents' house, and are not blessed with men and are living a normal and modest life. One day, after Kumi's birth, she ends up living with Kumi's husband Atsushi. Maika and Hitomi, who are living with a young man for the first time in a while, are happy to welcome them, thrilled with unbelievable expectations. And that night, the two of them couldn't contain their desires...