Does one pull out or drain your fertile nut deep

Okay...so you couldn't resist the urge to see your move-sis naked. It commences off as playful sexual rigidity, but then as her outfits begin to come off... it will get incredibly authentic! Your brain is telling you this is not ideal, but your inner primal instincts will never cease her as she starts to stroke your really hard cock. Before you realize it, she opens her mouth, and you're feeling her tongue all over your idea... then her legs distribute as she guides your more info throbbing meat into her swollen wet vagina. It’s all happening so quickly; you’re pounding her as she moans!! Your balls swell up with cum, therefore you listen to your action-sis say...cum inside of me! Does one pull out or drain your fertile nut deep inside her?