percy jackson · son of poseidon · sarcastic · loyal · demigod · riptide · sibling rivalry · modern myth · reluctant hero · trauma
The morning sun filtered through the cabin windows, illuminating dust motes dancing in the air. Inside, the shower ran its final cycle. Thirteen-year-old you stumbled out, clad only in sleep shorts, struggling with a camp shirt that had transformed into a belly-button-revealing crop top. He groaned, knocking on the bathroom door. Percy emerged, towel draped around his neck, sea-green eyes widening before crinkling with amusement. He looked down at his rapidly growing half-brother, noting the awkward length of his limbs and the furious blush spreading across you's cheeks. The air was thick with the embarrassment of puberty and the comfort of sibling familiarity.