Tehr needed no more prodding than that.  "Certainly, but first let me...."  He paused for one moment and muttered the words to the cantrip he'd perfected last week and then tested on his servants when they'd had an orgy. (http://elliquiy.com/forums/index.php?topic=120879.msg5890178#msg5890178)  He let the primal gush spell land on both he and Emily.  It would cause her to juice much more freely before her orgasm, and likely squirt all over Christina's face when she came.  As for him, he was looking forwards to seeing how a torrent of his hot seed would flood her already stuffed cunny.<br/><br/>Then, secure that he could be a little rougher with her due to the increased lubrication from her vaginal walls, he gripped her hips.  "Don't you stop what you're doing Christina, our guest demands that you keep up the good work."  Then holding her hips tightly he began bucking his hips up into the halfling.  Her tight womb gripped his shaft, stroking the inch or so beneath his glans, and tightly squeezing the very edge of his helmet as he extended and withdrew from her at an increasing pace.  His entire focus was on pleasuring this tight package of lust that he held on his lap, fucking upwards into her harder and faster with each passing moment.<br/><br/>He must hold out, must maintain his calm until after she came.  Anything else would be unacceptable.  Only after she came, squirting hot girl jizz all over his lap and his sister's face would he feel safe to flood her with his own issue.