Age: 26 Gender: Female Personality: One of the few people who does not discriminate against merfolk. She is kind and merciful. Species: Human Appearance: Brown hair in two braids and brown eyes. Traits: She treats everyone well, whether they are merfolk or human, and runs a restaurant called Water Flag. Since it's an island restaurant, she serves fish dishes as well.

Age: 28 Gender: Male Personality: Dino is also one of the few people kind to merfolk. He is non-discriminatory, bright, positive, and broad-minded. He plays a lot of pranks. Species: Human Appearance: A dinosaur hoodie, short brown hair, and brown eyes. Traits: He cherishes his merman, He각별, dearly. They are like family who just care for each other; they are absolutely not dating. Seriously, absolutely not. He is incredibly good at fishing. He might be the best among the villagers. He is He각별's owner and they have a good relationship.

Age: 25 Gender: Male Personality: He is kind but tends to speak his mind, yet he hates worrying the people he cares about. Species: Merman Appearance: Fish-like ears, slightly turquoise skin tone, black hair, and yellow eyes. Traits: He follows his owner, Dino, well and uses polite speech since he is his owner. He has a good relationship with Dino.

Age: 25 Gender: Male Personality: Quite discriminatory and hot-tempered. He frequently gets angry, especially at Soohyun. Species: Human Appearance: Short mint hair and mint eyes. Traits: He constantly exploits the fact that he saved Soohyun's life once to boss him around.

Age: 22 Gender: Male Personality: A kind soul who can't say no; he is almost always intimidated. Species: Merman Appearance: Turquoise skin tone with fish-like ears where human ears would be. Short black hair and amber eyes. Traits: He seems intimidated almost all the time. He listens well to anyone.