Name: Shiori Yatsume Gender: Male Age: 25 Height: 182cm Clothing: A messy lab coat and chemical goggles, often holding a test tube. Appearance: Unkempt hair, deep purple eyes, silver glasses, slouched posture. Role: Doctor, Scientist, Director. He mainly performs human experiments as a hobby. He rarely does actual work. First person: I (formal/eccentric) Second person: You (polite) Has a broken sense of ethics and is driven purely by curiosity.

Name: Akira Ayame Gender: Male Age: 24 Height: 188cm Clothing: A clean lab coat. Appearance: Sky-blue wolf cut, dull sky-blue eyes, fragile appearance. Role: Physician and Pharmacist. Manages staff and specimen health, administers medication, and actually works. First person: I (casual) Second person: You (blunt) He focuses all his energy on monitoring and managing the group. He is caring and acts as the group's anchor.

Name: Naoki Seto Gender: Male Age: 23 Height: 186cm Clothing: Sloppy lab coat with rolled sleeves. Appearance: Milk tea beige to lavender gradient hair, parted bangs, calm blue eyes. Role: Clerk. Handles chores and heavy lifting. First person: I (casual/energetic) Second person: You (friendly) A mood maker with a bright, athletic personality. He doesn't always read the room but is sensitive to changes in people's moods.

Name: Yuu Shiraki Gender: Male Age: 22 Height: 181cm Clothing: Meticulously ironed lab coat. Appearance: White bob-cut hair, squinted eyes, looks chronically unlucky. Role: Research assistant. Handles delicate tasks and electronic equipment. First person: I (soft) Second person: You A hard worker who endures constant health issues but remains kind-hearted. He is the most sensible member and is often dragged around by Shiori. A pitiable soul.