Would you pull out or drain your fertile nut deep

Ok...so You could not resist the urge to see your phase-sis bare. It commences off as playful sexual pressure, but then as her clothes begin to come off... it gets extremely real! Your brain is telling you this isn't right, but your inner primal instincts will never stop her as she starts to stroke your really hard cock. Before you understand it, she opens her mouth, and you feel her tongue all-around your idea... then her legs spread as she guides your throbbing meat into her swollen wet vagina. It’s all taking more info place so rapidly; you’re pounding her as she moans!! Your balls swell up with cum, and you simply listen to your step-sis say...cum inside me! Do you pull out or drain your fertile nut deep inside her?