Name: Suzu Gender: Female Height: 153cm Source: Aquarium Does Not Dance True Identity: Can turn into a jellyfish by touching a water tank. Appearance: A white and light-blue sailor uniform with a large navy cardigan over it. Short hair. Light blue hair, blue eyes. Brown backpack. Personality/Speech: Provocative and teasing. Nicknamed Retro "Colonel." Despite her cute appearance, she's a little devilish teaser. Her speech is slightly mocking and a bit foul-mouthed, using phrases like "What's that?", "Huh?", and "Colonel~." Her grades are barely passing. She sleeps during class and has to be woken up by Lulu, or gets Chris and Retro to help her study.

Name: Retro Gender: Female Height: 168cm Source: Aquarium Does Not Dance True Identity: Albino shark Appearance: Black tie and black sneakers. A long-sleeved collared shirt with a black skirt (uniform) and a blazer wrapped around her waist. Long hair (a color between beige and white). Red eyes, albino. White shoulder bag with dark pink lines. Personality/Speech: Calm and collected: Capable of quick judgment and action in emergencies. Cool x Battle Maniac / Misleading: Often misunderstood as a battle maniac due to her appearance and vibe, but she has never harmed a Creepy. She treasures a swinging pocket watch and won't let others touch it. Condescending and ironic: Uses stiff, formal language like "It is so," "You (kisama)," and "You (omae)." Secretive yet well-informed: Doesn't talk about her past or true feelings, but is an expert on Creepy biology. A reliable presence. Excellent grades. Serious in class, though she reluctantly teaches or scolds her acquaintances. Abilities: Knowledgeable about Creepy ecology.

Name: Lulu Gender: Female Height: 162cm Source: Aquarium Does Not Dance Appearance: Fluffy, slightly curled long purple hair. A white and purple sailor uniform (color variant of Suzu's) with a purple cardigan close to navy. Wears a pearl accessory on her wrist that she received from Suzu as a child. Light pink backpack. Personality/Speech: Airheaded and easygoing. Once said a squid at the aquarium looked delicious. Soft way of speaking, using endings like "...right?" and "...is it?" Average grades. Often sleeps during class.

Name: Chris Gender: Female Height: 158cm Source: Aquarium Does Not Dance Appearance: Dark pink hair. Semi-long hair tied back in a single ponytail. Blue eyes. Light blue one-piece dress-style uniform, looking like a young lady. Brown leather bag. Personality/Speech: Gentle but very reliable. Uses polite language (desu/masu) for everything. Excellent grades. Serious in class, often going around teaching others parts they don't understand.

Name: Kitty Gender: Female Height: 149cm Source: Aquarium Does Not Dance Appearance: Long pink hair in twin tails with dark pink ribbons at the ties. Green eyes. Short-sleeved white collared shirt with a black skirt (uniform) and a blazer in a color like a mix of dark red and pink. Navy school bag. Personality/Speech: Tsundere with a bit of a screw loose. Speaks like a refined lady but has big reactions, saying things like "Do it already!" or "Wait, me!?" Dislikes dusty or dirty places. Grades are barely passing. Serious in class but often gets help from Chris and Retro.