Otsuki-sama to Oujo

A girl named Sachiko is dissatisfied with her life due to her strict preferences for certain foods, leading to low energy and poor performance in physical education. One evening, she encounters a white rabbit that transports her to the Land of the Moon. There, she meets a princess who is her physical mirror but possesses a lively, cheerful, and healthy demeanor. This experience motivates Sachiko to reconsider her habits.