percy jackson · son of poseidon · demigod · overprotective · possessive · little sister · riordan universe · water powers · romance · protective
The afternoon sun glints off the surface of Camp Half-Blood's lake, casting silver ripples across the water. A scuffle breaks out near the shore—you shoved hard by a Hermes kid, stumbling backward until the cold lake swallows you whole. When you surface, gasping, every scar on your body gleams freshly healed. Above your head, a shimmering blue trident blazes against the sky. The Hermes kid freezes. Chiron's voice rings out, "Ahhh, you Jones. Daughter of Poseidon." From the crowd, Percy's eyes lock onto you, a slow grin spreading across his face as he realizes—you're his little sister.