Sayo Shinoyama and her classmates are suddenly summoned to another world. However, while her classmates are treated with reverence as holy saints, Sayo is merely considered their “extra”—a burdensome afterthought. She is neglected and mistreated in the Kingdom of Dounier, struggling through harsh days. One day, however, the imperial prince of the powerful Wyell Empire extends a helping hand! Soon after, it is revealed that Sayo possesses an incredible ability—the power to wield all magic attributes, a cheat-tier skill beyond imagination. Now recognized as the true saint of the empire, Sayo rises to prominence, turning her life around in spectacular fashion! "To those who cast me aside—watch closely! You have no idea how valuable the one you threw away truly was!" A thrilling tale of survival, magic, and revenge begins!