Saya Shinoyama is suddenly summoned to another world along with her classmates. While her classmates are treated as saints and treasured, Saya is treated as a nuisance and an "extra" to the saint, leading a hard time in the Kingdom of Dunie where she was summoned. One day, the younger prince of the great nation of the Wyell Empire extends a helping hand! It is later revealed that she has the cheat-level ability to use magic of all attributes, and she becomes the saint of the empire and plays an active role. The tale of Saya's turbulent transfer to another world begins in style! "Those who treated me like a nuisance, now you know my true worth!"