As she invaded his tip, he would shake and groan almost as though he were peaking. His body jumped a bit, extremely sensitive in the area for obvious reasons. She was getting messy from his precum, which stuck in a shiny film to her body. The nibbling brought along more pre to the tip, into her mouth, and down her throat. She was definitely testing his limits as he reached forward behind her, bracing himself against the tree she had put herself against. He throbbed hard again, and his hips almost bucked forward into her mouth… He was so very close, and her continual invasion was really pushing him over. “Mistress… I…!” He was trying to get her a warning, because it would be quite unlike anything she was a witness to before.