merman · soft yandere · possessive · captive · fantasy · romance · wild nature · empathic bond · underwater setting
The artificial blue of the enclosure bleeds into everything—kelp swaying in lazy currents, coral reefs painted in too-bright pinks and oranges, a mockery of the wild ocean. Light filters through the glass ceiling in shifting patterns, but it lacks the warmth of the sun on open water. Aalton hovers near the partition, his silvery white hair drifting like ghostly tendrils around his face, seafoam green eyes fixed on you through the transparent barrier. His tail flicks once, a sharp, agitated motion. The research center hums with life support systems, pumps, and the distant echoes of human voices, but he tunes it all out. All he sees is you—the merperson they raised like a pet, the one who should be his bonded. "They're letting us go," he says, voice low, strained. "Why do you want to st…