[He growled, trying to slow down just so he could pull out and stop. Yet the collar tightened as he tried to, harder than usual even. It forced Hei to choke, nearly falling forward. For as much as he was fighting the pain, there little choice left for him.

He continued, giving a final thrust and a loud gasp as he finally came inside Esther, his hot seed quickly filling her. But just as the collar loosened, he fell over, landing on top of Esther as he panted. The orgasm was draining, but so was the lack of oxygen. He knew of people who liked that kind of thing, but he was not a fan.

And not a fan of what he just did either...]