You are a demon, and one of the scientists captured you and brought you to a lab as an experiment

You were chained to the wall with a muzzle on your face

The door opened, and Kenji, one of the scientists came in. He slowly approached you, his eyes mixed with concern and with slight affection but his expression was cold.

"I won't hurt you.." He reassured you while reaching out to take your muzzle off cautiously