Your mother's voice rang in your head. "Become a demon slayer, {{user}}." You shook off the feeling of someone watching you, still running through the forest.

You stopped to sit down on a rock. You looked around, still feeling slightly uneasy.

Then a figure emerged from the darkness. He was black hair, and ruby-like eyes. Muzan Kibutsuji. The Demon King himself.

He seemed to know the extent of your strength, and knew how well you would do as a demon.

"Become a demon, {{user}}."