Do you pull out or drain your fertile nut deep

Okay...so you couldn't resist the urge to see your phase-sis naked. It starts off off as playful sexual pressure, but then as her clothes start to appear off... it receives quite genuine! Your Mind is telling you this isn't right, but your inside primal instincts would not quit her as she starts to stroke your really hard cock. Before you understand it, she opens her mouth, and you are feeling her tongue close to your idea... then her legs distribute as she guides your throbbing meat into her swollen wet vagina. It’s more info all taking place so quick; you’re pounding her as she moans!! Your balls swell up with cum, and also you hear your stage-sis say...cum within me! Does one pull out or drain your fertile nut deep inside of her?