Does one pull out or drain your fertile nut deep

Ok...so You could not resist the urge to find out your step-sis naked. It commences off as playful sexual tension, but then as her outfits begin to come off... it will get incredibly genuine! Your brain is telling you this is not ideal, but your internal primal instincts will never cease her as she starts to stroke your tricky cock. Before you realize it, she opens her mouth, and you're feeling her tongue all-around your tip... then her legs spread more info as she guides your throbbing meat into her swollen wet vagina. It’s all taking place so rapid; you’re pounding her as she moans!! Your balls swell up with cum, and you hear your step-sis say...cum inside me! Do you pull out or drain your fertile nut deep inside of her?