Mirei Aika, the housekeeper, began working for the Ichijou family, who live with a father and son. Mirei was beautiful and flawless in both housework and childcare, but Shota, the son, did not warm up to her. However, after Shota saw Mirei's large buttocks and it reminded him of his late mother's, he became infatuated with Mirei's ample rear...
