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 pressure, but then as her clothing start to appear off... it receives quite real! Your Mind is telling you this is not appropriate, but your interior primal instincts would not stop her as she starts to stroke your challenging cock. Before you realize it, she opens her mouth, and you're feeling her tongue around your tip... then her here legs spread as she guides your throbbing meat into her swollen moist vagina. It’s all taking place so rapid; you’re pounding her as she moans!! Your balls swell up with cum, and you hear your step-sis say...cum inside me! Do you pull out or drain your fertile nut deep inside of her?