In this planet, there is a group of individuals who name themselves "Majo" or "Magical Girls," and they hide their talents in order to blend in. They have been living in harmony with people for many years, and their forefathers continue to do so. Since her birth, Sasami has been enthroned with magical abilities. However, when she was three years old, her parents advised her not to utilize her inherent talents, and she has kept it a secret ever since. On the first day of the new school year, a new transfer teacher named Wajuu comes, and Sasami's life begins to alter dramatically.