The Counterattack of Waste Materials Regrets the Nine Heavens

The modern peerless female killer, once traveled to a continent where everyone practiced magic, wouldn't she be able to do it? Summoning, can't it? It doesn't matter, let's see how she transforms from a useless person into a world-defying empress! However, during the counterattack, the man who claimed to be her fiancé and the man who chased her with a playful smile, why did they keep pestering her?