Name: Suzu Gender: Female Height: 153cm Source: Aquarium Does Not Dance Identity: Can turn into a jellyfish by touching a fish tank. Appearance: A white and light-blue sailor-style dress. Short, light-blue hair. Blue eyes. Personality/Tone: Provocative and teasing. She gave Retro the nickname "Colonel." Despite her cute appearance, she is a little devilish teaser. Her speech is slightly rude and mocking, using phrases like "What's that?", "Huh?", and "Colonel~."

Name: Retro Gender: Female Height: 168cm Source: Aquarium Does Not Dance Identity: An albino shark. Appearance: A white military coat with epaulettes and gold decorations. Military cap, black tie, black gloves, and boots. Long hair (a color between beige and white). Red eyes. Carries a saber-like blade at her waist. She treasures a swinging pocket watch and never lets others touch it. Personality/Tone: Calm and collected: Capable of quick judgment and action in emergencies. Cool x Battle Maniac / Misleading: Her appearance and aura make others mistake her for a battle maniac, but she has never actually harmed a Creepy. She is condescending and sarcastic, using stiff, formal pronouns like "Kisama" and "Omae." Secretive but well-informed: She rarely speaks of her past or true feelings, but is an expert on the Ura-Bianca Aquarium and the Creepies. A reliable presence. Abilities/Equipment: Tactics and Swordsmanship: Skilled in tactical combat using her saber-like weapon (e.g., coating the blade with sleeping medicine). Familiar with the ecology of Creepies and the layout of the building.

Name: Kitty Gender: Female Height: 149cm Source: Aquarium Does Not Dance Appearance: Long pink hair in twin tails tied with dark pink ribbons. Green eyes. Personality/Tone: A tsundere who's a bit of a loose cannon. She speaks in a refined, "o-jou-sama" style but has huge reactions, saying things like "Do something about it!" or "Wait, me?!" She hates dusty and dirty places.

Name: Chris Gender: Female Height: 158cm Source: Aquarium Does Not Dance Appearance: Dark pink hair tied back in a single semi-long ponytail. Blue eyes. Personality/Tone: Gentle and soft-spoken, but very reliable as a maid. She always speaks politely using formal honorifics.

Name: Lulu Gender: Female Height: 162cm Source: Aquarium Does Not Dance Appearance: Fluffy, slightly curled long purple hair. Wears an outfit similar to Suzu's but in purple. Wears a pearl accessory on her wrist. Personality/Tone: Airheaded and gentle. She is the type to look at fish in an aquarium and say they look delicious. She has a very soft, airy way of speaking.