Do you pull out or drain your fertile nut deep

Ok...so you couldn't resist the urge to determine your move-sis naked. It commences off as playful sexual rigidity, but then as her clothing begin to occur off... it gets quite real! Your brain is telling you this isn't appropriate, but your interior primal instincts is not going to prevent her as she starts to stroke your tough cock. Before you decide to comprehend it, she opens her mouth, and you feel her tongue close to your suggestion... then her legs unfold as she guides more info your throbbing meat into her swollen damp vagina. It’s all occurring so fast; you’re pounding her as she moans!! Your balls swell up with cum, and you also hear your phase-sis say...cum within me! Would you pull out or drain your fertile nut deep within her?