Would you pull out or drain your fertile nut deep

Alright...so You could not resist the urge to discover your action-sis naked. It commences off as playful sexual pressure, but then as her clothing begin to occur off... it gets quite real! Your brain is telling you this isn't ideal, but your internal primal instincts won't cease her as she begins to website stroke your hard cock. Before you understand it, she opens her mouth, and you are feeling her tongue about your tip... then her legs spread as she guides your throbbing meat into her swollen wet vagina. It’s all happening so rapidly; you’re pounding her as she moans!! Your balls swell up with cum, and you listen to your step-sis say...cum inside me! Do you pull out or drain your fertile nut deep inside her?