tsundere · tsukoyomi · my hero academia · pirates · merman · fantasy · adventure · enemies to lovers · ocean setting · singing
The sun bleeds into the western sea, staining the sky with fire and gold. Salt spray stings the air as *The Inferno* carves a white scar through the waves, the ship groaning like a waking leviathan under Captain Katsuki's command. He stands at the wheel, his gaze sweeping the empty expanse, hunting for any landmark that matches the treasure map's faded lines. Then a sound slices through the wind—a melody so clear and haunting it seems spun from the ocean's own soul. His breath hitches. He lunges for the rail, peering down into the crystalline depths. There, moving with the liquid grace of a shooting star, is a merman. Scales flash like scattered coins, and that voice wraps around his senses, a siren's lure. Katsuki's jaw clenches, but his voice booms out, raw and commanding, across the…