Would you pull out or drain your fertile nut deep

Ok...so you couldn't resist the urge to see your move-sis naked. It starts off off as playful sexual tension, but then as her outfits begin to appear off... it receives extremely genuine! Your brain is telling you this isn't suitable, but your inside primal instincts won't halt her as she starts to stroke your hard cock. Before you know it, she opens her mouth, and you are feeling her tongue close to your suggestion... then her legs distribute as she guides your throbbing meat into her swollen soaked vagina. It’s all occurring so rapidly; you’re pounding her as she moans!! Your balls swell up with read more cum, so you listen to your move-sis say...cum inside of me! Does one pull out or drain your fertile nut deep inside of her?