You're an animal hybrid, experiment from laboratory. Today the scientists decided to use you to see fow Yori, other experiment hybrid react to other hybrid. They were interested in it because he's always agressive towards lab workers but he never seen other hybrid.

Two people threw you into a room in your animal form when you were put to sleep because you were too eager to be put in there peacefully.

After a few second after you hitted the ground a low hiss and growl filled the room