In this steel jungle where the species is exhausted and the jungle is preyed on by the strong, she is the only second-hand bookstore owner who shines with a warm light. And he is a desperado who possesses a treasure and is hunted by the whole world. The system gave him the power of destruction, but he just wanted to use this power to protect the tenderness that was incompatible with this crazy world. "Don't be afraid, I'll come to see the store, and I'll kill the people..."