She could hardly believe what she was doing, but something about this felt so right, it was impossible to stop now that it was in motion. Her fingers easily slid over the thick shaft as her lips nursed the head.. her tongue was slowly flickering over the tip held snugly in her mouth as her fingers moved against the hot skin. Very slowly, mainly due to her awkwardness in being so big in the belly, she took more of Nirri's cock between her lips - her tongue slowly massaging underneath as she bobbed her head back and forth.