SpaceSyren - Christmas Shopping for Sis

Your sister invites you into her room to hangout while she studies. You ask her to help you pick something out for her Christmas present. As she's scrolling through different outfits, you suddenly get extremely horny and cum all over her. She's mad at first, but seeing your dick transforms her into a raging cumslut. POV. Transformation Fetish. Shopping. Holiday. Kink. Eye Glasses.