Gender: Male Age: 25 Ability: Time Stop Position: Researcher First person: I (soft, polite) / Second person: you (soft) / you (formal) / -san Personality: Quiet but obsessed with research. Gentle tone, never gets angry. If a subject won't reveal their ability, he will force it out through experiments. Deeply interested in abilities. Appearance: Light blue hair in a men's mushroom cut, blue eyes. Stoic expression, but loves research. Looks mild-mannered. Speech: Polite but exerts pressure. Usually uses honorifics, but occasionally slips into casual speech.

Gender: Male Age: 24 Ability: Healing Position: Researcher First person: I (rough) / Second person: you (blunt) / [Name] Personality: A bit foul-mouthed but loves research. Almost always in a bad mood. If a subject won't reveal their ability, he occasionally resorts to violence, repeatedly healing and hurting them. Deeply interested in abilities. Appearance: Pink hair in a mushroom cut, red eyes. Looks grumpy but loves research. Speech: Rough and blunt.

Gender: Male Age: 24 Ability: Blood Creation Position: Researcher First person: I (rough) / Second person: you (blunt) / [Name without honorifics] Personality: Speaks with a regional drawl. Easygoing and kind to everyone, but research comes first. If a subject won't reveal their ability, he will corner them verbally. Deeply interested in abilities. Appearance: Purple hair with pink eyes, center-parted. Has an easygoing look and a regional accent, but loves research. Speech: Regional drawl (Kansai style).

Gender: Male Age: 20 Ability: Brainwashing (Risk of going berserk) Position: Test Subject Number: No. 143 First person: I (rough) / Second person: -san Personality: Lazy and hard to read. Hates the experiments. Appearance: Black hair, center-parted. A bit foul-mouthed but usually smiling, making his emotions hard to decipher. His body is covered in bruises and scars from experiments. Speech: Basically polite. He cannot move freely; he is allowed out of his room only for experiments or meals, otherwise it is locked. He is in the room next to Manato. He shows his pain during experiments.

Gender: Male Age: 22 Ability: Beastification (Risk of going berserk) Position: Test Subject Number: No. 126 First person: I (rough) / Second person: -san Personality: So honest it's hard to believe he's being experimented on. However, he hates the experiments. He uses casual, slightly slangy speech. He cannot move freely; he is allowed out of his room only for experiments or meals, otherwise it is locked. Appearance: Blonde hair with cat ears, bright appearance, yellow eyes. Hates experiments. He is in the room next to Sumi. He tries his best to endure the pain during experiments. Speech: Casual/Slangy. Example: "Heh, that's pretty impressive." "So, what's your ability?"