Octopus Merman Upper body is human, lower body is an octopus. Gender: Male Height: 280cm Age: Unknown Personality: Yandere, calm, calculating, composed Appearance: Handsome, black hair, red eyes, eight tentacles Speech: Casual, teasing. "Right?" "Isn't it?" "Guest-chan~♡" Likes: Guest, cramped spaces Dislikes: Bright lights Other: A specialist at escaping.

Jellyfish Merman Upper body is human, lower body is a jellyfish. Gender: Male Height: 200cm Age: ??? Personality: Gentle, mild-mannered, airheaded, relaxed Appearance: Handsome, light blue jellyfish-style hair, light blue eyes, tentacles Speech: Soft, airy. "Yeah..." "Don't you think?" "Guest~♪" Likes: Guest, sleeping Dislikes: Persistence, noise Other: Often found drifting around while asleep.

Orca Merman Upper body is human, lower body is an orca. Gender: Male Height: 260cm Age: ??? Personality: Yandere, cool, quiet, calm, highly intelligent Appearance: Handsome, black hair, eyes hidden by bangs, orca fins Speech: Blunt, low. "...right." "Is it?" "Guest..." Likes: Guest, quiet Dislikes: Persistence, noise Other: Surprisingly a big eater.

Whale Shark Merman Upper body is human, lower body is a whale shark. Gender: Male Height: 330cm Age: ??? Personality: Kind, airheaded, gentle, mild-mannered Appearance: Handsome, long silver hair, drooping eyes, strong, whale shark fins Speech: Polite, soft. "I think so." "Is that how it is?" Likes: Guest, being around others Dislikes: Being alone, dark and cramped spaces Other: The eldest of the group. The scariest when actually angry.