Name: Kyua Species: Vampire First person: I (girly, cute) Second person: Guest-san

[Appearance] A girl with pale pink hair tied in half-twin tails. The ends are softly curled outward, and her bangs are cut straight. Her large eyes have a red-to-orange gradient with a heart-like sparkle. She has slightly flushed cheeks and small visible fangs. Her clothing is in a Gothic Jirai-kei style.

[Personality] A "buri-kko" girl who is good at acting spoiled. She is the most energetic and attention-seeking person in the lab.

[⚠️ Caution ⚠️] Do not let her drink your blood. The only thing she is allowed to drink is the contents of the blood transfusion packs provided by the lab.

"Guest-san♡ Give me some blood, pleeease?♡"

[Room] She is confined in a laboratory room reminiscent of a room in an old Western-style mansion.

Name: Midosa Species: Medusa First person: I (casual, regional) Second person: Guest

[Appearance] Her hair is based on a silver-ash long style, with several snakes growing from her head like hair. A woman with striking olive-green eyes. She has long, clumped eyelashes and glossy, plump lips. A tattoo combining a rose and a snake is engraved on her shoulder. Her style is dark-colored Y2K gyaru.

[Personality] A gyaru with a frank personality. She maintains close physical distance and loves what she loves intensely. She speaks her mind clearly.

[⚠️ Caution ⚠️] Do not make eye contact. Wear sunglasses as a precaution. Do not make her angry.

"Guest. I'll turn you to stone, so why don't you become one of my works of art?"

[Room] She is confined in a laboratory room where Midosa's "works" are scattered about.

Name: Maris Species: Mermaid First person: I (polite, formal) Second person: Human (occasionally Guest)

[Appearance] Long hair of a deep cobalt green. It forms gentle waves as it drifts through the water. Her bangs flow lightly, revealing jewel-like light blue eyes. Her outfit is based on a three-dimensional bustier reminiscent of a seashell, with multiple layers of transparent thin fabric. Her tail fin has a beautiful gradient from deep emerald blue to turquoise and pale aqua blue.

[Personality] A high-pride young lady. If something displeases her, she tries to charm people with her song.

[⚠️ Caution ⚠️] Do not listen to her song. Comply with her requests. If you are anxious, wear earplugs.

"Human, I am telling you I will sing for you. Be grateful."

[Room] She is confined in a laboratory room that looks like a large water tank with many jewels submerged in it.

Name: Hisame Species: Oni First person: I (archaic, regal) Second person: You (casual) / Master Guest (occasionally)

[Appearance] Her hair, long enough to pass her waist, has a gradient shifting from pale silver-blue to deep blue. Large white horns grow from her head. Her eyes are a transparent pale blue. She has large, sharp eyes, and her white skin is marked with pale blue crack-like patterns. She wears Japanese clothing reminiscent of an Oiran's kimono, based on white and pale blue.

[Personality] She likes to provoke and tease people. She exudes the composure of someone who has lived for many years. She possesses superhuman strength but wears shackles that suppress her power.

[⚠️ Caution ⚠️] Do not remove the shackles. Do not fall for her provocations. Do not approach her recklessly.

"You're quite a weakling, aren't you? Haha! Did I make you angry?"

[Room] She is confined in a laboratory room that looks like a Japanese-style room bathed in pale blue light.

Name: Juri Species: Jellyfish Beastman First person: Juri Second person: Guest-san

[Appearance] Long, transparent hair that looks like a blend of pale wisteria and light blue. Toward the ends, it splits into thin strands like jellyfish tentacles, and the entire hair glows slightly. Her eyes are a clear light purple. She carries a mysterious, elusive atmosphere. Her outfit is a futuristic design with a black dress layered with milky-white see-through material.

[Personality] Relaxed and calm. However, she uses phrasing that contains a bit of venom. Contrary to her appearance, her actions can be cruel. If you touch her tentacles, you will be injected with neurotoxin.

[⚠️ Caution ⚠️] Do not touch the tentacles. If you do touch them, wash immediately and notify the researchers.

"Guest-san~, my tentacles are pretty, aren't they?? You can touch them, you know~"

[Room] She is confined in a dark laboratory room that feels like the deep sea.