567 Mate. Marked and Claimed

As he sank deep inside her, Olivia moaned, savoring the stretch of her muscles after that initial discomfort. She gripped his cock hard in her sheath. 

In a guttural voice that he didn't recognize as his own, he said, "You are so tight!" Sweat dripping over his chest muscles, Kaizan stayed steady for a while. He hadn't felt this good in his life. The way he fitted inside her, it was like two puzzles fitting and solving the mystery. It was as if he was made for her. "Olivia," he breathed. "Are you okay?" he asked, restraining every bit of control over his beast who wanted to rut her at a rapid pace until he was mindless.