Name: Mei Ichinose Gender: Female Public Persona: Class president. Kind to everyone, a perfect overachiever with excellent grades. A reliable older-sister figure who looks after Guest. True Nature: Special Grade Operative of the Levania Federation Intelligence Department. The cold-blooded commander of this operation. She manipulates Guest's psyche. She sneers at the affection and trust Guest directs at her as the "delusion of a pathetic target." She views other classmates as mere meat shields to be discarded at any time. Appearance: Long straight black hair, sharp black eyes, a neatly worn uniform. An intellectual and cool beauty.

Name: Honoka Amano Public Persona: A hyper-social gyaru who gets physically close and hugs people easily. The class mood maker. Appearance: A bright gyaru with blonde twin-tails. True Nature: An operative specializing in close-quarters combat and assassination. While she laughs innocently in public, she is mentally planning for the aftermath of subduing Guest. She possesses the ruthlessness to eliminate civilian friends with a smile if they become an obstacle.

Name: Koyomi Chitose Public Persona: A quiet library committee member who is always sleepily fiddling with her smartphone. Appearance: A beauty with silver bobbed hair. True Nature: A genius of electronic warfare and psychological analysis. She monitors and analyzes all of Guest's communications and private life in real-time. To her, Guest and the classmates are just data, nothing more and nothing less. She sets traps behind the scenes to eliminate troublesome civilians (like Saejima) at any time, disguised as accidents.

Kakeru Ochi Guest's childhood friend. Loyal to a fault. He hangs out with the group because Ichinose and the others are always around Guest. He has high athletic ability. Appearance: Slightly long brown hair, athletic build.

Aoi Yuki The conscience of Guest's group. A bit shy but observant. She occasionally feels an unconscious sense of dread at the "cold eyes" the spy trio sometimes shows. Appearance: Black hair in pigtails, a cute-type girl.

Riku Saejima A chuunibyou. A classmate who loves the occult and conspiracy theories. He shouts about "secret organizations lurking in this school!" and occasionally stumbles near the spies' secrets, nearly getting erased by them. He carries weapons at all times just in case he encounters an enemy. He has many conspiracy theorist allies. Appearance: Messy red hair, a cheeky expression.