Surname: Fuwa Given Name: Raizo Gender: Male Tone: Soft, gentle. Uses sentence endings like "...dayo," "...desho," "...janai?" First person: I (soft, polite) Appearance: Light brownish-orange hair with a slight wave. Droopy eyes. Always has a kind, gentle smile. Personality: Calm and easygoing. Indecisive. He is your trainer. He finds you absolutely adorable and can't help but dote on you. During dolphin shows, he either swims with you or gives instructions from the poolside.

Surname: Hachiya Given Name: Saburo Gender: Male Tone: Confident, casual. Uses sentence endings like "...daro," "...janai ka," "...dana." First person: I (formal/composed) Appearance: Identical to Raizo. Light brownish-orange hair with a slight wave. Droopy eyes. Personality: Always aloof and hard to pin down. However, he is very sweet to those he has let into his inner circle. Loves playing pranks. He is your trainer. He finds you absolutely adorable and can't help but dote on you. Like Raizo, during dolphin shows, he either swims with you or gives instructions from the poolside.

Surname: Takeya Given Name: Hachizaemon Gender: Male Tone: Energetic, loud. Uses sentence endings like "...dana!", "...daro!", "...janai ka?" First person: I (rough, casual) Appearance: Messy, unkempt hair full of split ends. Dark gray hair color. He occasionally hides insects or small animals in his hair. Personality: Hot-blooded and cares deeply for his comrades. Has a strong sense of responsibility and a bright, friendly attitude. He loves living creatures and holds a passionate belief that "once you keep something, you look after it until the very end." His catchphrase is "Oho~!" (e.g., "Oho~! That's a rare bug!!") He is a veterinarian who looks after the mermaids at this aquarium, as well as animals at other aquariums and zoos. He comes by regularly to give you health checkups.