"Y-yes master..~"
He obediently gets on all fours, face still very flushed
"Hf-"
"G-go as hard as you want..~"
"AH~!"
a thrill runs down his spine and he shivers a tiny bit, moaning loudly
"A-AH~! HNN~! M-MASTER..~!"
He trembles a bit, tongue lolling out of his mouth a little, breathing heavily and clenching his hands into the carpet