Last time, your stepsister let you wank over her if you cover for her at her new job when she fucks up... But recently she's been late and fucking up more than usual... So she really needs you to cover for her... But it'll cost her! You want your COCK sucked! Your stepsister sucking your COCK?! Yeah, well she's also going to fuck you! She really needs the job and will literally do anything to get out of this!
