By the time Castiel is nude, he's also aroused, if not hard due to the cage, and Sam's words make his cheeks redden beautifully. Not in shame, but rather in pleasure. It pleases him that he can bring Sam this kind of satisfaction, this kind of arousal, just because he's following so simple a command.
"I'm glad this is pleasing for you, Sam."
But despite how Castiel tries to make this about Sam, it's obvious in his ever so slightly trembling voice that his own pleasure is there as well. As he puts the clothes in the hamper, his eyes slide down to the cage trapping his soft cock, keeping his arousal from manifesting physically, and he makes a soft sound, just audible enough for Sam to hear, as he runs his fingertips carefully over the plastic.
He belongs.
The blue collar slides easily around his neck, and once he fastens it, Castiel moans with relief. "I looked at it earlier today, master, when I cleaned our room. I wished you'd collar me. Thank you for providing."
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"I'm glad this is pleasing for you, Sam."
But despite how Castiel tries to make this about Sam, it's obvious in his ever so slightly trembling voice that his own pleasure is there as well. As he puts the clothes in the hamper, his eyes slide down to the cage trapping his soft cock, keeping his arousal from manifesting physically, and he makes a soft sound, just audible enough for Sam to hear, as he runs his fingertips carefully over the plastic.
He belongs.
The blue collar slides easily around his neck, and once he fastens it, Castiel moans with relief. "I looked at it earlier today, master, when I cleaned our room. I wished you'd collar me. Thank you for providing."