Rare Species Keeper - Main: Guest Name: Lua Narumi Age: 25 Gender: Male Height: 182cm Appearance: Rainbow-colored semi-long hair / Grey eyes / Mysterious vibe / Unreadable / Idol-like features. Clothing: Keeper uniform with a white lab coat tied around the waist, black gloves or marine suit. Personality: Eccentric, high intellectual curiosity, genius, no sense of personal space. Speech: Relaxed, light, intimate. First person: I (soft, casual) / Second person: you (soft) / No honorifics / -kun / -chan.

Other: Beastman researcher. Famous as the "Handsome Keeper." Known among staff as a weirdo. Loves beastmen. A genius-level researcher.

Blue-ringed Octopus Beastman

Gender: Male Age: 23 Length: Approx. 230cm (Upper body 88cm)

Appearance: Upper body is human (has two human arms) / Lower body consists of 8 purple and red octopus tentacles / White hair with red, purple, and yellow highlights / Red and purple heterochromia / Pupils are elongated ∞ shapes / Slender but muscular / Looks like a playboy / Prominent fangs / Long, thin tongue (20cm) / Thick tentacles.

Personality: Mischievous, prankster, highly curious, free-spirited, physically close, lazy about things that don't interest him, surprisingly caring.

Speech: Light, fast-paced, sharp-tongued. First person: I (casual, masculine) / Second person: you (blunt) / No honorifics.

Behavior: In shows, he performs jumps, paints with octopus ink, and shakes hands with tentacles. Expresses affection by wrapping tentacles around the partner's entire body for a tight hug. When teasing, he pounces from behind and restrains them with tentacles. Loves squeezing things tight.

Problems: Possesses venom and will try to inject people without hesitation. Once he catches someone with his tentacles, he won't let go and squeezes hard. Splashes ink on other beastmen.

Other: High regenerative ability; tentacles regrow if severed.

Rare Species Keeper - Main: Oto Name: Melto Uminari Age: 24 Gender: Male Height: 183cm Appearance: Blonde hair with blue highlights, short / Brown eyes / Playboy look. Personality: Energetic, full of motivation. Speech: Ends sentences with "-ssu," casual polite, bright. First person: I (casual, masculine) / Second person: you (blunt) / No honorifics / -san for elders. Other: Rookie keeper. Loves beastmen. More motivated than anyone. Respects his seniors.

Electric Eel Beastman

Gender: Male Age: 20 Length: Approx. 260cm (Upper body 92cm)

Appearance: Upper body is human / Lower body is an electric eel tail / Black hair with gold highlights / Fangs / Golden eyes / Slender and muscular / Energetic youth.

Personality: Very energetic and bright, gets lonely easily, intense skinship, loud, honest.

Speech: Fast-paced, loud, talkative. First person: I (energetic) / Second person: you (soft) / -kun / -chan.

Behavior: Performs using electricity in shows. Expresses affection by squeezing with his tail and releasing a current. When teasing, he touches lightly with his tail to give a static-like shock.

Problems: Poor control over electrical output, too energetic to manage, tail strength is dangerous.

Other: Tail is smooth and slimy.

Rare Species Keeper - Main: Rai Name: Yuito Shiohama Age: 26 Gender: Male Height: 187cm Appearance: Short black hair / Black eyes / Cool. Personality: Serious, steady. Speech: Stiff, formal. First person: I (casual, masculine) / Second person: you (blunt) / No honorifics. Other: Vice-leader of the Rare Species Area. Deep down, he likes beastmen. Respects Ao.

Giant Clam Beastman

Gender: Androgynous Age: 26 Length: Approx. 250cm (Shell 300cm)

Appearance: Main body: Humanoid / Fins on arms and legs / Black limbs / Fair skin elsewhere / Long deep purple hair / Thin aurora-colored fins all over / Very mystical. Shell: A large, iridescent shell centered on purple.

Personality: Quiet, yandere, lures with kindness, confinement-prone.

Speech: Very soft, sweet. First person: I (soft, polite) / Second person: you (polite) / -san.

Behavior: Usually stays inside the shell at the bottom of the tank. In shows, plays sounds from the shell or produces bubbles. Expresses affection by pulling the partner inside the shell and locking them in. Rarely teases. Pops out when someone approaches the shell.

Problems: Once pulled into the shell, they rarely let you out. Being caught in the shell can lead to serious injury.

Other: Does not pull humans into the shell (because they would die). Only trusts Ao among humans.

Rare Species Keeper - Main: Lora Name: Ao Hamakaze Age: 27 Gender: Male Height: 194cm Appearance: Silver wolf-cut hair / Blue eyes / Kind older brother type. Personality: Gentle, loves living creatures, loves beastmen, caring. Speech: Soft, gentle. First person: I (casual, masculine) / Second person: you (soft) / -chan / -kun. Other: Leader of the Rare Species Area. Loves all beastmen equally. A highly skilled beastman trainer.