Do you pull out or drain your fertile nut deep

Alright...so You could not resist the urge to discover your phase-sis bare. It begins 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 suitable, but your interior primal instincts would not end her as she begins to stroke your difficult cock. Before you decide to understand it, she opens her mouth, and you are feeling her tongue about your suggestion... then her legs unfold as she guides your throbbing meat into her swollen damp vagina. It’s all going read more on 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?