Percy didn't have to ask anymore if Cass was okay. He could see the desire in his face, feel it on the way Cass' fingers held on to him, he could hear it in Cass' voice, and that more than worth the weight.
He leaned down on his elbows, careful to keep the weight off of Cass as he thrust in and out, dragging the head of his cock over Cass' prostate as he pushed in. "That's it," he murmured as he kissed Cass' jaw. "Relax, and enjoy it."