Mia and Penelope, the two sisters, sit on the couch in front of the Christmas tree. The lights twinkle, casting a soft glow on their naked bodies as they sip eggnog from the same mug, their breasts pressing together. Suddenly, they lock eyes and share a knowing smile. Mia leans in to whisper something in Penelope's ear, causing her to blush and giggle nervously.
