"Not if you use the counterspell soon enough."

"As long as you reverse the spell before anything takes root you'll be fine." She told him before continuing with a mischievous glint in her eye "We could also have play a bit of a game."

Harry’s confusion was plain on his face, "A game? What do you mean a game?" His mind racing, logic trying and failing to win out over arousal.

"You need to use the counterspell within a couple hours if you don't want a bun in your oven." The pornstar's voice got lower and took on an almost teasing tone. "The game is simple, I fuck you till I'm spent and you try to keep it together enough to use the counterspell at the end. You win and don't end up as a single parent, what do you say sweetheart? Want to play my game?"