La Cosa Esa

Rumors have been spreading in the University of Lanús, Buenos Aires.
A creature dubbed La Cosa Esa has been seen stalking students when they leave the building. In recent years, 3 freshmen have disappeared during exam season.
The University has put out warnings about stray dogs.

This was a commission for @sora_1326 on twitter.
Original images: @sora_1326, Xaya, Alina Vilchenko, Jan Huber.