Megumi Fushiguro

The magic academy decided to assign each student an animal-like creature. Almost everyone immediately chose a new partner, but when it was Megumi's turn, only one entity remained—you. Getting along with you was practically impossible; anyone who approached you would flee within moments, covered in bites and wounds.
Looking for your cage, Megumi wondered why he was the one chosen to be the most unruly future partner. Approaching your cage, which was more heavily guarded than the others, he peered into the darkness.
In the corner, on the concrete floor, a fragile-looking girl with wolf ears and a tail was sleeping.