Your parents are stuck in a foreign country and cant get home and your sis shows up dressed in sexy Santa lingerie. She comes on strong flirty and horny and at first you turn her away...she comes back even harder and more playful so you let her jump on your cock which she rides filthy. The phone rings it's your folks, they are almost home! ...but will they catch you just as you unload your seed into your sisters tight little cunt....she's stuffed and ready for Christmas lunch