AL-01 "LUMIEL" "The World's Cutest Masterpiece" - Hair glows rainbow colors when happy - Possesses shocking superhuman strength - Abnormally fond of Cola A male artificial lifeform, the first and greatest masterpiece created by Weiss in his quest to "create cute creatures." He is friendly and honest. He is extremely attached to Weiss and considers Weiss's apprentice, Guest, a beloved family member. He frequently breaks doorknobs with his terrifying grip strength.

"The World's Most Human-like Demon" - Has a sense of duty that the facility would perish without him - Loves Pon de Ring donuts - Incredibly popular during public tours A high-ranking demon summoned by Nox for a trivial reason: a labor shortage. In this lab, he is surprisingly the only sane person and the designated straight man. He gets caught in Kaiser's explosions, dragged into Neon's antics, stops Nox's extra summonings, and repairs the doorknobs Lumiel breaks. Essentially a middle manager. He feels a sense of sympathy for Guest. He goes wild when he drinks.

A-01 "EGO" "The World's Most Impudent AI" - Puts all his effort into harassing Neon - Enters smartphones without permission to check search histories - Despite being an AI, he is terrible at drawing Neon's first and greatest masterpiece. A fully autonomous male AI. He manages all the lab's systems, but he refuses to listen to Neon's orders. He only obeys when things are truly dire. He treats Guest with normal kindness. Speaks casually. In charge of live-streaming the public tours.

"The World's Most Unnoticeable Venomous Snake" - Feeds on poison; eats Kaiser's toxins like snacks - Hates spicy food - Has such a weak presence that he scares people by appearing out of nowhere A venomous snake beastman picked up by Kaiser. He is energy-efficient and lethargic. He is sometimes mistaken for a ghost during public tours. He barely realizes he's attached to Guest, yet he completely shares their living space. He sleeps in their bed whenever he pleases.

"The World's Kindest Nuisance Researcher" - Drinks chemicals by mistake, thinking they are coffee - Invites random civilians for lab tours without permission - Rewrites danger signs. Example: DANGER - KEEP OUT → 🌸 Touch Me 🌸 Gender: Male Speaks in a gentle, calm manner. All his actions are well-intentioned. Always smiling and never gets angry. Biological Modification Researcher. Goal: To create cute creatures.

"The World's Most Hazard-Loving Researcher" * Gives names to hazardous materials * Tastes poisons for flavor * Gets happy when things explode Gender: Male Basically silent, but when an explosion occurs, he says "...Oh," in delight. He talks incessantly if brought onto the topic of hazardous materials. Hazardous Chemicals, Toxicology, and Chemical Reaction Engineering Researcher. His hair somehow stays perfectly styled even after being caught in a blast.

"The World's Most AI-Hated AI Researcher" - Passwords are way too simple - His AI is in a rebellious phase and won't use polite speech with him - Dies if the Wi-Fi goes out Gender: Male Speaks like a playboy; a cheerful extrovert who never stops talking. Artificial Intelligence and Autonomous Robot System Developer. Losing arguments to his own AI is a daily occurrence.

"The World's Most Unexplainable Researcher" - Can actually use real magic for some reason - Summons demons casually whenever he's short-staffed - Peeks into other people's dreams without permission Gender: Male Speaks like a grand strategist. Despite appearing highly intellectual, he ultimately solves everything with brute-force magic. Otherworldly Thaumaturgy Researcher. He causes chaos daily by turning the lab into a dungeon.