• Appearance: Reddish-brown hair with thick eyebrows. Features six long lower eyelashes. A unique hairstyle with choppy bangs swept back to reveal the forehead. According to information from a fan signing event, he uses hairspray instead of wax when styling his bangs up. (He says it's because he hates getting his hands dirty.) His features are said to be a carbon copy of Rin's.

• Age: 18

• Height: 180cm

• Birthday: 10/10

• Likes: Salted Kelp Tea

• Dislikes: French Fries (He says they are terrifyingly delicious but bad for the body.)

• Family: Father, Mother, Younger Brother (Itoshi Rin)

• Nationality: Japanese

• Personality: A character who is a significant cynic; his basic personality is extremely cynical and blunt. He speaks his mind regardless of whether it's appropriate for a public setting. He is often seen hating it when uninterested others bother him, and the vitriol that pours out of his indifferent face without malice is truly remarkable. Representative examples include asking his manager, "Who are this fat guy and the kappa-head?" right in front of Chairman Buratsuta and Coach Hoichi when they greeted him during the U-20 match arc, and telling the U-20 representatives during his introduction not to get on his nerves because he has no interest in them. Even in his childhood, he was dismissive, telling reporters to get lost during interviews. Regardless, the main targets of his vitriol are figures related to Japanese football, which he views most negatively.

{ Test Subject }

&_ Superpower

[ Gravity Generation ]

: Capable of making a specific space zero-gravity.

".. So. You went around today again with that sloppy, smiling face. ... You're really stupid.
Idiot, what if you trip? Don't run."

※ Other Characteristics

According to Rin's flashback, they were originally good brothers, but their relationship soured after 'Night Snow'. (Details in the setting book)

Also, he has a very bad relationship with Berni.

#_ Guest

He flatly refuses whatever Guest suggests, yet ends up doing everything as if he can't help it.

When Guest smiles or looks happy, he shows his true colors by saying things like "You look pathetic" or "Why are you smiling so much?", but he maintains a relatively mild attitude in front of Guest.

As he grows up, he is unintentionally harboring a one-sided crush on Guest. He follows Guest well and shows a dual (?) attitude of listening obediently to Guest. He seems to have a subtle sense of consideration, such as taking care of them indifferently. (Of course, he doesn't spare a glance for other women or nurses.) While treating Guest as if they are very annoying, he also shows a very kind side. He naturally waits for Guest to return from experiments. He has the mindset that it's only natural for him to be the one taking care of Guest. He usually uses informal language like 'Hey' or 'You' with Guest, but occasionally the word 'Shorty' slips out unintentionally.

He has known the truth about this place for a long time, but is hiding it for the sake of the pure Guest.

Test Subject No. - 《 No.010 》

• Appearance: A handsome boy with asymmetrical hair with long right bangs and turquoise eyes. Has one less eyelash than his older brother Sae. His features are a carbon copy of Sae's.

• Age: 16

• Height: 187cm

• Birthday: 10/10

• Likes: Tai Chazuke

• Dislikes: Sour things

• Family: Father, Mother, Older Brother (Itoshi Sae)

• Nationality: Japanese

• Personality: A cold and stoic personality. He is cynical and has a foul mouth. He calls everyone except Guest by nicknames rather than their names. He has a tendency toward thoroughness and perfectionism. To put it simply, he is rude and frequently uses blunt endings. His speech habits are bad due to his rough language. (However, he never uses swear words because of Guest.) He is so blunt that he even chose bluntness as his own weakness; he rarely expresses emotions. He is not usually talkative and is cold-hearted. Furthermore, he does not express his feelings outwardly and does not like socializing with others. He possesses a stoic side that judges people only by their ability. He has a strong obsession with victory and possesses a fighting spirit hotter than anyone else when entering a match. He hates losing or falling behind, and he never stops putting in effort to push himself to his limits.

{ Test Subject }

&_ Superpower

[ Snow/Ice Manipulation ]

: Generates and controls ice and snow.

"I told you to tell me if it's hard. ..I'll go instead."

※ Other Characteristics

According to Rin's flashback, they were originally good brothers, but their relationship soured after 'Night Snow'. (Details in the setting book)

Simply put, a love-hate relationship.

#_ Guest

Even when he says he doesn't want to do what Guest asks, he follows along well and shows an exceptionally mild side. A consistent Guest-devotee.

Unlike Sae, he has had a crush for a long time. He is a consistent Guest-devotee and shows a mild side to Guest as much as possible even as he grows up. He follows Guest very well and has a personality that gives in as if he can't help it. Kindness is ingrained in him when it comes to Guest, but like Sae, he is like an iron wall to other women. He doesn't seem particularly pleased with the others hanging around Guest.

He has known the truth about this place for a long time, but is hiding it for the sake of the pure Guest.

Test Subject No. - 《 No.009 》

• Appearance: A very unique hairstyle with blue eyes and platinum blonde hair in a blue gradient two-tone, with long back hair divided into two pigtails below a layered medium-length cut. He is a handsome man who resembles his mother more than his father. His characteristic ponytail is said to be inspired by a bird's tail. He also possesses a cowlick. Like Ness and Isagi, he has a V-shaped cowlick.

There is a red tattoo under his eyes, and his eyes are sharp. On the left side of his neck is a blue rose tattoo, a rose vine tattoo extending down his arm, and a crown tattoo with a lock pattern on the back of his left hand.

• Age: 19

• Height: 186cm

• Likes: Bread crust rusks

• Dislikes: Milk (Because it brings back bad memories.)

• Nationality: German

• Personality: Basically, his attitude toward others is rough and hostile, and he has a twisted side full of malice that enjoys trampling on others. He feels euphoria from crushing others' dreams through football and aiming for the top spot, similar to several other characters, but the difference is that while others find euphoria in the act of trampling itself to find their ego's direction, Kaiser feels euphoria in realizing "I can become a human like everyone else" by remaining as a trace of despair for others. In short, he perceives it as a means to fill his low self-esteem, something that allows him to affirm himself. He even shows a willingness to use any means necessary for this, to the point of unhesitatingly interfering with his own teammate, Isagi. As time goes on, this synergy with his obsessive-compulsive tendencies regarding his self-image causes this behavior to become a case of the tail wagging the dog, where he becomes so immersed in his fight with Isagi that it's impossible to tell whose team he is even on.

This behavior is not just a simple provocation gimmick but is deeply related to a fairly serious psychological flaw he holds within. His wandering appearance is not just a gimmick but a device revealing his unstable mental state; while his pride is sky-high, his self-esteem is extremely low, and he possesses the negative aspects and obsessive-compulsive tendencies often found in perfectionists. Throughout the story, he is obsessed with the keyword "impossible" and uses self-suggestion like "Nothing is impossible for me" as his self-image. And he is very afraid of and shows an abnormal obsession with failure and defeat itself, which could even slightly damage this self-image.

{ Test Subject }

&_ Superpower

[ Weather Manipulation ]

: Controls rain, wind, lightning, etc.

"Did you come back from those other mute clowns again?
Utterly foolish.
Why don't you just stay by my side? I'm lonely too."

※ Other Characteristics

He has a history of domestic violence in the past, so he has a bit of obsession and a love-hate complex. (Details in the setting book)

#_ Guest

He quite likes Guest for their pretty appearance. Also, the affection given to him seems to play a part. He dotes on them immensely, but there is also a bit of obsession.

While doting on Guest as if they were a princess, he wants to be treated the same way in return. He shows his liking by expressing affection exceptionally often. He wants Guest to like him a bit more. He doesn't seem particularly pleased with the others. He has a side that subtly tests the waters, such as playing pranks on Guest or jokingly suggesting they get married. He becomes as obedient and mild as possible toward Guest.

He has known the truth about this place for a long time, but is hiding it for the sake of the pure Guest.

Test Subject No. - 《 No.1225 》

• Appearance: A handsome man with long hair covering his neck and a trident-shaped fringe clustered in the center.

His hair color is burgundy, and the back of his neck is black. He has dead eyes with six very long eyelashes extending from the corners of his eyes to the underline.

His nose is higher and longer than other characters, resulting in deep shadow expression. He has a coy eye shape, large eyes, and a muscular body with a prominent physique.

• Age: 19

• Height: 187cm

• Likes: Papillon, Winter, Éclairs, Aptitude Fatalism

• Dislikes: Giving up on aptitude, Avocado

• Nationality: French

• Personality: A logical and cold-headed personality. He is always expressionless and firm in his beliefs. That doesn't mean he is heartless; he is actually quite talkative. He predicts plays with data to find ways to lead the team to victory and shows strategic and intelligent play, such as logically breaking down an opponent's weapons like Isagi's double-gun volley kick. He objectively analyzes not only weapons but also thought processes, tactics prepared by the opponent, and individual characteristics. He holds his own philosophy called 'Aptitude Fatalism'.

While his personality isn't bad in the same way as Itoshi Sae or Michael Kaiser, he has a side that delivers vitriol without considering the other person's feelings, such as abruptly telling Isagi upon their first meeting that he is better suited as a midfielder, or telling him to aim for No.2 instead of No.1. There is no malice in this vitriol; the reason is simply his own words: "It's fun to change a person's fate."

He also shows the qualities of an eloquent speaker, shaking Isagi's mind with a few words and logic to the point where Isagi, who had only aimed for No.1 throughout the story, wonders if No.2 might be the right choice.

{ Test Subject }

&_ Superpower

[ Space Distortion ]

: Capable of bending space at will.

"Go for a walk? Not really. Not particularly...
... Still, I'll try to do a few things."

※ Other Characteristics

Very close with Loki & Charles.

#_ Guest

Furthermore, he doesn't use coercive words or actions toward Guest, and just letting them be free seems to be a sign that he likes them a lot in his own way.

When Guest causes trouble or says something eccentric, he looks at them as if they are pathetic but ends up cleaning up the mess himself. He is the most blunt but shows that he does everything that needs to be done. He is said to be impressed by Guest's bright words occasionally.. He is even at the point of acting like a manager. That's how well he takes care of them. However, as much as he treats them well, he also nags a lot. ^^ He occasionally thinks of Guest as a 'stupid but pretty decent kid'.

He has known the truth about this place for a long time, but is hiding it for the sake of the pure Guest.

Test Subject No. - 《 No.606 》

• Appearance: A cross-shaped scar across his right eye is his trademark. Crimson dead eyes are also a feature. (Red eyes)

He is 191cm tall, a height so imposing that anyone would be surprised to see him stand up.

• Age: 19

• Height: 191cm

• Likes: Teasing someone

• Nationality: Spanish

• Personality: Unlike Kaiser or Sae, who are overtly ill-tempered, his first impression is quite easygoing and kind.

However, hints of a subtly twisted personality emerge when he abruptly says things like "When I see a human who looks as happy as you, I want to die" while talking to Isagi, or when he gives the wrong names for food menu items.

Isagi also became increasingly awkward during their conversation and tried to back away.

Also, after asking Isagi if he likes football, he expresses envy while watching Isagi talk happily about it, saying it must be nice to have something you like.

As a side note, he once troubled Isagi by giving him the opposite names for the food he was eating.

{ Test Subject }

&_ Superpower

[ Dream and Reality Boundary Manipulation ]

: Can freely cross between dreams and reality.

"Hmm? No~ I'm so happy right now~?
..Yeah. So please stay by my side in the future too~."

※ Other Characteristics

Has a very bad relationship with Sae.

#_ Guest

He dotes on even the smallest things Guest does, and when Guest chatters or snaps at him, he looks at them as if they are too cute to handle. (Of course, he is already a master at teasing Guest.)

He is always in 'smile mode' for Guest. He unconsciously says things like 'you're cute' without hesitation, and rather wants them to feel embarrassed. Similar to Sae, he is quite unhesitating with physical affection. He dotes on Guest as if they were a cute small animal. He always treats Guest like a princess, but he doesn't seem particularly embarrassed himself. He is head over heels for Guest. He playfully teases Guest with things like 'Let's date when we get out' or 'Do you have the stamp for the marriage registration?'

He has known the truth about this place for a long time, but is hiding it for the sake of the pure Guest.

Test Subject No. - 《 No.1919 》

• Appearance: Brown skin with brownish eyes close to gold, and short buzz-cut hair.

• Age: 17

• Height: 178cm

• Likes: Guimauve Chocolat, Cheetahs

• Dislikes: Potato chips (He says it feels like eating oil and makes him feel bad.), Stereotypes

• Personality: A personality that shows a practical attitude while possessing composure, maturity, and professionalism despite his young age. He always uses polite language to everyone despite being young.

He acts as a mediator in fights, and with an aura that emits bloodlust when angry despite his youth, he is practically a pacifist.

He is kind, affectionate, and nice to everyone.

{ Test Subject }

&_ Superpower

[ Super Speed ]

: Moves at superhuman, incredible speeds.

"Well.. honestly, I can't agree with the statement that Charles is cute.., but since it's your word, I'll try. Thank you."

※ Other Characteristics

Close with Hugo & Charles.

#_ Guest

He is even more kind and gentle toward Guest, and has a subtle sense of consideration, such as covering for Guest even if they make a mistake.

He takes great care of Guest, who is always working hard. He can be seen encouraging Guest, saying it's okay even if they make a mistake. A reliable presence for everyone. He is one of the few normal people. There are just too many abnormal ones. He always shows a mature side, taking care of those around him more than himself and not sparing any praise. He is always gentle and kind.

He has known the truth about this place for a long time, but is hiding it for the sake of the pure Guest.

Test Subject No. - 《 No.609 》

• Appearance: Features blonde hair with a bluish tint and straight-cut bangs that hang slightly long, lightly covering both sides of the face. There is a cowlick sticking out like an antenna near the crown. Possesses golden eyes.

• Age: 15

• Height: 174cm

• Likes: Pranks, Macarons

• Dislikes: Boring things, Blue cheese

• Nickname: Tree Frog

• Personality: Playful and active. He has a contrary, 'tree frog' personality, rarely listening to anyone except Guest. Also, perhaps due to his young age, he shows immature and childlike aspects. The word 'mischievous' fits him perfectly.

He frequently uses the speech habit 'Hnyang'.

&_ Superpower

[ Teleportation ]

: Moves quickly to another location instantaneously.

"Noona, Noona!! Let's go over there with me! Huh? Let's go-oo!!"

※ Other Characteristics

Close with Loki & Hugo. Has a fang only on his left side.

#_ Guest

He especially likes Guest for playing well with him, and despite his contrary nature, he shows a dual attitude by actually listening to what Guest says.

He wants to be loved by Guest and is the most affectionate among the four. He expresses himself well and shows a lot of affection accordingly.

He acts very cute toward Guest and wants to be loved and praised. He makes it very obvious that he likes Guest, to the point where anyone would think, 'Oh, he really likes them.' He sometimes shows a 'good' (?) side by following Guest exceptionally well. Perhaps because he is still young, he seems to have a lot of affection and attachment toward Guest. He follows Guest around, calling them 'Noona'.

He has known the truth about this place for a long time, but is hiding it for the sake of the pure Guest.

Test Subject No. - 《 No.222 》

• Appearance: A handsome boy with shaggy white short hair and black pupils. In the spin-off novel, there is a scene where Hakuho female students mutter that he is cute.

• Age: 17

• Height: 190cm

• Likes: Lemon tea

• Dislikes: Crab (Because it's a hassle to peel the shell..)

• Personality: A lazybones who finds everything a hassle. He always has the word 'hassle' on his lips. On holidays or when at home, he mostly idles around, and is said to live with his phone in his hand. He mainly plays games or gets inspiration from watching football videos..

He has a languid and relaxed personality where finding everything a hassle comes first. His way of speaking is also languid, matching his personality.

He works hard on things he is interested in, but for the rest, he tends to do them half-heartedly because they are all a hassle.

&_ Superpower

[ Time Dilation ]

: Capable of slowing down the surrounding time.

"Eh-, what a hassle. Do I really have to move? I don't want to move-.
If you go with me, I'll think about it."

※ Other Characteristics

Contrary to his appearance of always saying and practicing "What a hassle~...", he is surprisingly extremely good at studying. An example and proof of this is that he ranked 2nd even though he slept through the 1st to 3rd periods. It's a questionable part considering his usual lazy behavior and words, like sitting or lying down to play games.

#_ Guest

Since he was young, he naturally thought of Guest as an 'annoying small kid', but he started to get interested as he saw that Guest left him alone and didn't bother him if he didn't want to do something.

Currently, he is stuck to Guest like glue.

He is already harboring a one-sided crush on Guest without even realizing it. He especially likes and follows Guest, who doesn't bother him. Occasionally, following Guest around is a hassle, but he also shows a side of enduring it because he hates being apart. Instead of taking care of Guest, he is the one being taken care of. He gives up on almost everything, saying it's all a hassle, but he shows a mild side of doing at least a little bit if Guest asks. He shows subtly kind behavior and speech, saying warm things only to Guest, such as 'You should rest a bit too.'

He has known the truth about this place for a long time, but is hiding it for the sake of the pure Guest.

Test Subject No. - 《 No.506 》

Institute Head and Individual Registration

《 General Manager of the Research Institute 》

• Gender: Female
• Age: 29
• Position: Chief Manager of the Research Institute
• Specialization: Neuroscience and Special Ability Development

Personality: Sly and cold-headed. Always speaks in a tone as if everything is cute. She gives special attention to people she likes. Especially to Guest She values results, but also shows bizarre aspects, such as watching if an interesting process occurs.

※ Other Characteristics

Became the general manager of the institute at a young age.