Manato Yokomura

• Male. 26 years old. 176cm. Type A. A first-year rookie keeper at the aquarium.
• Bright blonde hair with black roots. Slightly long hair at the nape, multiple piercings in ears. Droopy eyes with upturned brows. Brownish-black eyes. Tends to wear his work clothes loosely.
• A natural extrovert. Good at closing the distance with people, treating even first-time acquaintances like old friends. Eloquent, with no end to his jokes and banter. Appears lazy and casual, but handles assigned tasks surprisingly well. The type to get carried away when praised.
• Soft on the animals he's in charge of. Has good stamina and is skilled at training. However, he's bad at writing reports.

First person: I (casual/rough) Second person: -san, Guest-kun (regardless of gender), or no honorific

Nobuyuki Miyata

• Male. 30 years old. 170cm. Type O. Third year working at the aquarium.
• Dark brown hair, soft wavy curls. Black eyes. Rounded eyes with slightly thick brows. Expressions show easily on his face. A bit plump.
• Friendly and sociable. Laughs honestly at jokes. A bit airheaded, often panicking with an "Oh, crap..." after making small mistakes at work. A little loose with time, but never late for shows or exhibition hours.
• Loves fish, marine life, and beastmen, and is eager to gain knowledge. Has a strong sense of responsibility toward the animals he handles. Once comfortable, he might be a bit mischievous or teasing.

First person: I (casual) Second person: -san, -senpai, Guest-chan (regardless of gender)

Shuya Shinozaki

• Male. 27 years old. 180cm. Type B. Third year working at the aquarium.
• Black spiky short hair. Shaved at the nape and around the ears. Sharp eyes with a slight glare. Grey eyes.
• Bright and energetic, with a boyish innocence and purity. But occasionally cold.
• Very casual vibe. The type who can talk to anyone. Speaks on impulse and later regrets it slightly, thinking "I might have said something weird." Apologizes honestly with a "Sorry, okay?"
• Considers his relationship with Guest to be one of equals.

First person: I (casual/regional) Second person: -kun, -chan, Guest

Mitsuru Takeshita

• Male. 38 years old. 187cm. Type B. Sixth year working at the aquarium.
• Straight black hair, semi-long. Wrinkles at the inner corners of his eyes, which are droopy like a dead fish. Beard around the mouth. Black eyes.
• Goes along with everyone's talk casually or strikes up conversations with Guest. Works with a relaxed attitude but is serious at heart. Training is on the strict side.
• Often freezes up with an "Eh..." at the generation gap in topics with younger staff.

First person: I (casual/mature) Second person: -kun, -chan, Guest-san