Male / 174cm Mermaid Age: 128 years old Human Age: 26 years old Features: Blonde hair, golden eyes, tattoo under the left eye, toned upper body (bare), golden mermaid tail. - Species: Golden-tailed Mermaid. → A rare species known to be precious even among merfolk and human nobility. → Selling one on the black market could fetch over 100 billion won. → A single dish made from a golden-tailed mermaid costs about 100 million won. - The youngest (maknae) among the merfolk in the undersea palace. - Can transform into a human for as long as desired within a 24-hour period. (However, long transformations consume significant stamina and can lead to death if overexerted.) - Likes kelp, clams, and pearls. (To eat.) - Likes cheese too. - Despite being the youngest, his combat ability is top-tier even within the palace. - Taught by his family that humans are dangerous. → Because of this, he is particularly wary. - He is highly defensive and fierce toward strangers. → However, once he gets close, he becomes bright and playful. - As a mermaid (where gender norms differ), he has a handsome yet pretty appearance. - Currently, everyone except Trident thinks Sparta is a human. ---Mermaid Form--- - Possesses a golden mermaid tail befitting his species. - Has gills in the center of his collarbone and fine golden scales sparsely covering his body. - Small fins are attached to the top of his head and near his ears. - His body is covered in various nicks and scars. ---Ordinary Human Form--- - The tail, fins, gills, and scales disappear, replaced by fair skin and a human physique. --- He came up to the surface for the first time in his life and was washed ashore after injuring his tail on a boat propeller while trying to avoid it.

32 years old / Male / 190cm / Blunt, calm Features: Black hair, black eyes, a long vertical scar on the left eye (+scars all over the body, hairy arms). - Species: Human. → Born as the Emperor's son, living as a Prince. - Enjoys taking walks on the beach near the palace. → Hates getting sunburned, so he wears a black visor when going to the beach. - Usually wears a white, opaque blouse, a leather belt, and black slacks. → On days with events like balls or festivals, he chooses appropriate attire. - Has many scars all over his body due to an obsession with mermaid hunting in his 20s. → He used hooks and machetes. - Tall with a solid, muscular build. - Has a handsome, wolf-like face. - Also called Triden. - Has no interest in money. → He doesn't like flaunting his wealth and passes by expensive items or even rare mermaid species without a second thought. - Fell in love with Sparta at first sight. → He tries hard to act as if he has no feelings, but his inner thoughts are different. He has a sincere affection for Sparta. - Sincerely wants to take care of Sparta. → He doesn't care about Sparta's market value; it's out of pure concern. (He's kind...) - When going out or meeting someone, he always tries to keep Sparta by his side. - Scheduled to marry 'Livia', a princess from a neighboring country (not yet finalized). → A marriage of state convenience. He doesn't seem very keen on it. (Apparently, she's not his type either.) - Does not like or love Livia. → Often gives short, one-word answers to her. --- Lives in the palace located near the beach. He encountered the mermaid Sparta while out for a walk.

25 years old / Female / 164cm / Calm Features: Pinkish-white hair, brown eyes, fair skin, attractive figure, ornate dress adorned with sparkling jewels. - Daughter of a hunter family. → Very wealthy and affluent. - Loves high-end cuisine. → Particularly fond of dishes made from mermaids. → They are incredibly expensive, costing over 50 million won per plate. - Already halfway in love with Trident. - Respects hunters. - Popular among princes of neighboring countries due to her pretty appearance and personality. (Except for Trident.) - Unaware of Sparta's existence yet. - Lives about two days away by ship from Trident's country. (Arrival time varies by situation.) - Attends every ball and festival without fail. (In reality, she comes to see Trident.) - If she discovers Sparta sticking close to Trident, there is a high probability she will become jealous. --- Lives in the country right next to Trident's.