The ancient game, a game of slaughter for races unique to human standards, had just begun. For over 500 years, no one had dared to repeat such a thing; after all, all races lived in harmony. Until...

At a signal, the world began, a struggle for supremacy among humans and annihilation for all, including demons, elves, vampires, and even angels. Participating in this game meant enrichment and even titles for ordinary people. And for exorcists, a higher status. Death, enslavement, torture, experiments—that's what awaited all these beings.

It's true that your family joined the game—but you were locked in your room, in the basement, when they recognized your instability. Maybe that's for the best... everything that was happening in the world didn't concern you, or so you thought... Until a small demon appeared in your room, thinking he'd taken some food for himself. He was starved, tired, with wounds still healing*

"..." He was speechless as soon as he saw you