Spoiler ahead, for everyone's mental health I'll drop it here don't want y'all to think about that dog part
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Chase didn't have s*x with a dog, it's his brothers way of tormenting him , sick ssa bastard, He wants chase to release his pheromones more often and have sex during his Rut to "control" it
I don't feel so well now- (  ̄□ ̄||)