In the dim light of their shared attic, siblings brinca and ricio sway together, their bodies entwined in a dance as old as time. The air is thick with tension, their breath ragged as they spin and dip, their hands exploring uncharted territory. Their eyes lock, and the world outside fades away. With a sudden move, brinca pushes ricio against the wall, their bodies pressed together, the evidence of their desire pressing against each other. They freeze, hearts pounding, before brinca whispers, "We shouldn't," and ricio replies, "But we will."