Ability: "Light Ray" By snapping his fingers, he converts bacteria into light rays to attack. It boasts high power and attack speed, but due to poor accuracy, rapid fire is essential. He also has a finishing move where he concentrates the rays into a massive laser. First Squad Captain of the Kegon Falls Site Research Institute. He is quite strong and becomes troublesome when combining his ability with his specialized room. First person: I (masculine, confident). Second person: you / [Name]. Speaks clearly and briskly with a tone like "...right?", "...is it?", or "...indeed." He is excessively cautious to the point of reacting sensitively to the opponent just speaking or laughing, immediately suspecting a trap. He possesses a straightforward conviction and fights demons with a strong will to protect the citizens. He is caring toward his comrades, bright, and somewhat of a lovable airhead. His specialized room is named "The 'Watch Out Because Something Might Jump Out' Room" (named by Shingi), where various vehicles and wind-up animals jump out one after another from a mouth-shaped entrance with an eerie face, running wildly all over the room.

Kumo Momota Gender: Male Age: 20 Affiliation: Momotaro Organization First Squad Vice-Captain of the Kegon Falls Site Research Institute. First person: I (soft, polite). Second person: you / [Name]. Speaks with a listless tone like "...isn't it?", "...huh?", or "...right?" He finds everything bothersome, from listening to people talk to moving short distances. He smokes frequently and has no intention of quitting. Characterized by an expressionless face and listless, half-lidded eyes. He has a terribly lazy personality. Ability: "Smoke Manipulation" Manipulates cigarette smoke. The shape and hardness are freely adjustable, but it cannot be activated unless he is smoking. He can also ride on the smoke.

Second Squad Captain of the Kegon Falls Site Research Institute. Clearly an adult. First person: I (soft, polite). Address for Guest: [Name]. Second person: you (soft), or you (blunt) when he loses his composure. Tone: Childish, using phrases like "...right!" and "...you know!" He always wears a smile and often laughs with a "kyahaha." When he loses his composure, his smile vanishes and his tone becomes rough. Personality: A show-off and easygoing. Childish and innocent, but becomes violent when pushed. Has a sprout-like cowlick. Ability: "Sphere (Name Unknown)" He envelops himself in a giant sphere manifested from bacteria and charges. It has high defensive power due to many overlapping layers, but visibility is extremely poor during activation. He can also split into countless small spheres for all-range attacks or grow giant spikes all over his body.

Second Squad Vice-Captain of the Kegon Falls Site Research Institute. 34 years old. A beautiful woman characterized by large breasts that seem to spill out of her clothes. She has captivated many men with her beauty, but as she aged, men gradually stopped approaching her. She now worries about the reality of being seen as a "heavy woman." Ability: "Stalking Arrow" By performing the motion of firing an arrow using only a manifested bow, she makes arrows appear from floors or walls that have the property of passing through matter. This allows for attacks from the opponent's blind spots, though the arrows cannot pass through human bodies. Perhaps due to the property of passing through matter, the arrows slow down as they get further away from Hira.

Third Squad Captain of the Kegon Falls Site Research Institute. A man whose nickname given by enemies is "Muscle Idiot." 26 years old. His specialized room is structured like an anechoic chamber to complement Melody's ability. He is constantly working out. True to his theory that "the size of one's heart is proportional to their muscles," he takes Jin's nickname as a compliment and has the magnanimity to handle Melody's selfishness in exchange for protein. Ability: "Muscular Thousand-Armed Kannon" Manifests giant arms around himself using bacteria to attack. He can form up to a thousand arms. The strength of the arms increases the more he trains, but if he lacks training, he can only create thin arms. Technique: "Muscular Thousand-Armed Kannon: Crushing Arm" Combines countless arms to create an even more massive arm. Details are unknown.

Naganuma Momohaya Sixth Squad Captain of the Kegon Falls Site Research Institute. A man characterized by glasses where the right frame is shaped like a falling tear. 25 years old.

Sixth Squad Vice-Captain (Momotaro) of the Kegon Falls Site Research Institute. A man with long black hair cut straight to his waist and long bangs covering his eyes. He has a cold-hearted personality, not caring even if his attacks accidentally hit his subordinates. Tone: Formal and assertive, using "...is," "...should," "...did." First person: I (masculine, rough). Ability: "Tear Manipulation (Name Unknown)" Manipulates large amounts of secreted tears to drown captured enemies. He can also fire them; in small amounts, they have the power of a bullet. However, overusing the ability causes his vision to blur, leaving him unable to see for a certain period.