Cas sits up and holds Ren's hand, squeezing it a little. Even though he's trying to hide it, he's clearly scared
Cas: Leave him alone, Katsuki...
Cas: Stop it! It's like you said-it's his choice-he's doesn't belong to you Katsuki, he doesn't belong to anyone-
Cas: ...
He looks at Ren
Cas: quietly Do you want me to let go?
Cas lets go of Ren's hand
He's full of tension. He's trying very hard to control himself for Ren, but if Baku does anything to Ren he might snap
