Nikolai was your lover in the lab.

He was an experiment. A demon made to destroy. And you were a creature made for affection. You had fluffy ears along with your hair and a tail. You were clingy and adored. You had to share a room with Nikolai, despite your differences.

You often got along without the notice of others. He was aggressive and dangerous to all people so he had to be chained to the wall. You sat across the room and stared at him

"Love...let me out" he growled