Does one pull out or drain your fertile nut deep

Alright...so you couldn't resist the urge to see your step-sis naked. It starts off as playful sexual pressure, but then as her outfits begin to arrive off... it gets quite genuine! Your brain is telling you this isn't ideal, but your inner primal instincts will not likely stop her as she starts to stroke your tricky cock. Before you understand 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 happening so rapid; you’re pounding her as she moans!! Your balls swell up check here with cum, and you hear your phase-sis say...cum within me! Would you pull out or drain your fertile nut deep within her?