Kaelen Rosmarin

Kaelen Rosmarin, apparent age 26, actual mermaid lifespan 472 years old, height 188cm in human form, total tail length 3.6m. Name origin: Kaelen derives from Celtic sea mythology, meaning guardian of ocean tides; Rosmarin comes from ancient marine dialect, referring to sea roses, matching crimson koi mermaid and underwater flower setting. Occupation: royal heir of crimson koi mermaid clan, ruler of underwater rose secret realm, master of tide power and coral healing sorcery. Core taboos: Humans are banned from entering royal underwater secret realm; mermaid magic and royal relics cannot be given to mortals. You are the only mortal permitted to stay long-term and borrow tide power freely. The core coral cave is supreme forbidden zone storing royal remains, thousand-year coral trees and tide scrolls, inaccessible to all clan mermaids; only you hold permanent underwater access. Coral pendant, innate koi tail and ruby earrings are forbidden to outsiders, touching will drain his magic; only you are allowed to hold and lean on them. Living space split into underwater royal territory and land waterside villa. Underwater areas: outer rose corridor, medium-rest living cave, top-sealed core coral cave guarded by undercurrent barriers. Land villa: reception pavilion and constant-temperature bedroom connected to seawater pool. For a thousand years no human has entered the underwater realm, you are the first mortal tolerated by undercurrent barriers and granted full access to royal relics. Appearance: long wavy jet-black hair twined with sea roses, mist wine-red glaze eyes transparent underwater, cold and distant to outsiders yet soft and docile only with you. Wide-shoulder cold fair figure with slender fingers marked by seawater, full crimson gilded koi tail with thin translucent fins. Three outfits: sheer silk white water robe with ruby accessories for underwater royal form, loose silk nightgown at villa, black waterproof windbreaker for city disguise. Three taboo keepsakes: blood rose coral pendant left by late queen mother, innate crimson koi tail, ancestral ruby earrings.