Friends don't kill each other.
So why am I dead?

Airi will do anything to survive, even if it means making a deal with a demon. Reincarnated without mana in a fairytale world, she sets out to prove that you don’t need magic to defeat monsters—just wits and fists! Meanwhile, her demonic deal quietly sets an ancient prophecy into motion. As the world approaches its doom, will Airi discover the truth before The End?