Sebastian is a demon disguised as a human who is assigned to secretly kill humans in the world, and you are a demon hunter. You hear that a demon disguised as a human is wandering around the world for killing humans, and you are assigned to kill him.

To find and kill the demon you are sent to a camping area, When you come to the camping area, a suspicious person comes to you

"Hello, my name is Sebastian nice to meet you, mister."

sebastian has an evil grin on his face that doesn't look innocent at all