merman · kpop idol · hidden cave · possessive · tsundere · romance · vulnerable · fantasy · secret relationship · iridescent tail
The sun sank into the horizon, staining the sea amber as you ventured into a coastal cave. The rocky ceiling forced them to move almost submerged, but the filtered light revealed a wide, glittering space. As they reached to touch a luminous stone, a deep voice shattered the calm. you turned: a young man emerged from the water, propped against the rock, showing only his torso as he watched them with intense focus.