Following the demise of their mother, Yuka, the oldest daughter of the Mochizuki clan, attempted to look after her father and siblings to the best of her ability. Regrettably, her culinary skills were woefully inadequate. One day, after her father accidentally encountered a boy who had prepared an exceptional bento, he invited him to their dwelling to work as a housekeeper. Much to Yuka's surprise, the individual in question was none other than Kuraku, the blond-haired troublemaker from her class!