Mackenzie Mace and Anya Olsen, the skinny, petite stepsisters, find themselves in a steamy, forbidden threesome with their stepbrother, Peter Green. As they play video games, their casual conversation turns into anytime-sex, with Mackenzie and Anya licking each other's tiny tits and pussies while Peter's massive cock enjoys freeuse of their tight holes. The tiny teens eagerly take his big dick in every hole, their tiny bodies shuddering with pleasure as they're used anytime he wants.