A Sister's Blackmail Finger Fuck & Cum

(Custom Order!)(All ages are above 18+ in all scenarios with my explicit content)We were just supposed to hit this together and then you were gonna be off on your way to hang out with friends.... How could you possibly know about my secret!? How did things turn out this way!? Please just, I'll do anything you ask of me sis. I'll do your chores for a week, your homework anything just- Stop looking at me like that, just listen to me for a few minutes and I promise I'll get out of your hair. We always talk about everything with each other right? W-what could I p-possibly do to get you to listen to me big sis, please. I'll do anything.... INCLUDES: I was asked to include daddy kink alongside a sister teaches her step sister to touch herself in front of her and include daddy kink! There's also a lot of teasing and dialogue!/Finger Fucking/Up close shots/Creamy Pussy/Toys/Vibrators/Orgasms/Sisters