Cas laughs at Aizawa a little
Cas: Pfft-Haha-
Cas sits in front of Ren
C mind: This had better work...
(Bai!)
Cas tilts his head, listening to the conversation
Cas balls his hands into fists, he's starting to get pissed
Cas has had enough. He turns around
Cas: Leave him alone, Katsuki...
