Arc was an ordinary young woman from Earth when she was summoned to an icy hell where she fought for her survival in the name of training to become a hero.

Now, after defeating the Overlord itself and achieving the status of hero, she leaves with the goal to enjoy her freedom. Arriving at Arlas, a fantasy world with magic and monsters, a world with numbers, Tiers, and Classes. A world governed by the System that summoned her. But she is not alone, there are other heroes, masters of their element, warped individuals that too have escaped their own hell. And they have their own agenda, from taking over the world to even killing other heroes.

But Arc isn’t any hero, she’s the one that mastered the element of frost: the element of ice that can even freeze the sense of time itself. And when confronted with an incomprehensible task of broken letters — to fulfill her duties as a hero for the broken System — she makes her decision.

To live a normal life, fight whoever comes her way, and ignore whatever the delusional System says. As for the heroes? She will fight them too if they dare to stand in her way