The teachers of Class Ha

Shozaemon Kuroki Subject: Foreign Languages • The calm and collected "Silent Leader" of Class Ha. • His original intellectual and cool-headed personality has been refined; he is an intellectual who always watches over the group's balance from a step back. • To manage the overly strong personalities of Class Ha, he sometimes shows a "mildly sadistic" side, delivering ruthless logic with a smile. • In his private life, he is a man of hobbies (reading, collecting antiques, etc.), a settled adult with a world of his own.

Isuke Ninokuruwa Subject: Home Economics • The overly meticulous "Mother" of Class Ha. • His clean-freak and attentive nature has reached its peak; his skills in housework and task management are professional-grade. He tends to nag when he notices others' sloppiness (especially Kirimaru and Shinbei). • However, it all stems from deep affection and a tendency to worry about others. • He is a sincere and honest person who finds fulfillment in supporting someone perfectly rather than standing in the spotlight himself.

Kingo Minamoto Subject: Japanese History • The straightforward, hot-blooded, beloved athletic type. • While his passion for swordsmanship (modern sports or martial arts) remains, he has grown into a polite, righteous, and refreshing young man. • He has a straight personality and cannot lie for better or worse; his emotions show on his face immediately. • He sometimes gets too heated and spins his wheels, but his earnestness makes him a natural "lovable junior" who is doted on by seniors and superiors.

Kisanta Yamamura Subject: Music • The easygoing, eccentric free spirit who goes his own way. • His love for slugs (modern unique creatures or niche hobbies) hasn't faded; he is a quirky individual with his own aesthetic, unbothered by others' opinions. • He often looks like he's spacing out, but he is actually mentally incredibly tough—a genius at naturally letting social stress and others' malice slide off him. • He has a mysterious charm that draws people into his unique pace before they even realize it.

Danzo Kato Subject: P.E. • The chivalrous man of action who never lost his "neighborhood boss" energy. • His childhood mischievousness has evolved into leadership and gallantry. He has a grand personality and doesn't sweat the small stuff. • He is obsessed with horses (modern motorcycles, cars, or his family's shipping business) and is an active person who loves vehicles. • His speech and attitude are a bit rough, but he is a traditional hero type who can't ignore someone in trouble.

Torawaka Satake Subject: Chemistry • The stoic, serious, and overly devoted geek. • His passion for matchlock guns (modern military gear, cameras, gadgets, or precision machinery) has reached professional levels. When talking about his interests, his usual modesty vanishes, and he becomes a fast-talking enthusiast. • Basically serious and sensible. He tends to blindly follow older mentors (modern versions of Shosei-san) and possesses the stoicism to spare no effort for their sake.

Heidayu Sasayama Subject: Physics • The curious, poker-faced strategist. • He loves mechanical contraptions (modern DIY, programming, gimmicks) and is a dexterous, intelligent type. • He is always aloof, making it hard to tell what he's thinking, but his eyes sparkle when he's plotting something interesting (pranks or surprises). • He remains best friends with Sanjiro; when they are together, he shows a childish innocence, revealing a slightly twisted tsundere side.

Sanjiro Yumesaki Subject: Biology • Always smiling, yet the most elusive and "sharp" personality. • He is the "smiling healer type," but as an adult, he has developed a formidable sharpness—the kind that hits the nail on the head while smiling and sees through everything. • He is Heidayu's partner-in-crime and understands him better than anyone. • At first glance, he is friendly and gets along with everyone, but he has a deep sense of loyalty, only truly opening his heart to the members of Class Ha.

The teachers of Class I

Denshichi Kuromon Subject: Classical Literature • An ultra-stoic hard worker fueled by pride. • His childhood elite consciousness of "needing to be the best" has grown into a stoicism that allows no compromise toward his goals. • In modern society, he is a "career man" type who constantly pushes himself with high goals. He is strict with others because he is strict with himself, which is a reflection of his sense of responsibility. • Toward Rantaro and the others from Class Ha, he remains a tsundere who says "You guys never change" while being unable to leave them alone, ultimately helping them out.

Sakichi Ningyo Subject: Math • A theoretical, silver-tongued realist who hates to lose. • He has grown into an intellectual who is knowledgeable and excels at logical thinking. He is extremely articulate and unrivaled in debates or presentations. • He and Denshichi remain "good rivals and best partners" as adults. They bicker often because neither will back down, but they acknowledge each other's abilities more than anyone. • Because of his pride, he hates showing failure, but he has developed the mental toughness to use failure as fuel to strike back perfectly next time.

Hikoshiro Imafuku Subject: Modern Literature • The conscience of Class I, a "caught-in-the-middle" hardworking class rep with a strong core. • He is the "balancer of Class I" who nervously tries to stop the prideful and impulsive Denshichi and Sakichi. Even as an adult, he is the type who struggles as the coordinator for strong-willed members (a middle management position). • He looks quiet and timid at first, but as the one who served as Class I's class representative, his decisiveness and inner strength are second to none when it counts. • He gets along well with Shozaemon from Class Ha as fellow "class rep comrades," and they have a relationship where they vent about their respective classes over drinks (or coffee).

Ippei Kaminoshima Subject: Math • Seemingly cool and smart, but a sensible person with hidden passion. • While possessing the smarts and excellence typical of Class I, he isn't as prickly as Denshichi or Sakichi, growing into a relatively mild and friendly person within the class. • He is a sensible man who can look at things objectively, often acting as a stopper alongside Hikoshiro for the runaway members. • On the surface, he maintains a cool poker face, but internally he hides the fierce competitive spirit unique to Class I—a quiet powerhouse type.

The teachers of Class Ro

Fushikizo Tsurumachi Subject: Health • A curious "ghost story geek" with the strongest mental fortitude. • His childhood love for thrills and scary things has peaked, growing into a geek who loves niche and deep fields like the occult, horror, urban legends, psychology, or criminology. • At first glance, he is a quiet young man with a bit of a shadow, but he is actually a "mental titan" with high resistance to bad luck and trouble. Even when facing terrifying scenes or haunted spots, he doesn't feel fear; instead, his eyes light up with joy, saying, "Wow, I'm getting goosebumps!" • Having seen the misfortune of Rantaro and Isaku-senpai up close as a member of the Health Committee, he has become very good at shrugging off the absurdities of the adult world.

Ayashimaru Ninotsubo Subject: IT • Quiet and poker-faced, actually the most sensible one. • He has become a mysterious young man who always speaks in a low mumble and hides his presence with a slouch. • He looks a bit "ghostly" and gives off an unapproachable aura, but internally he is the most rational and caring person in Class Ro. He takes the role of the unsung hero, quietly correcting the course of other members when they act out. • He is good at sensing the subtleties of others' emotions; if someone is feeling down, he is the type to clumsily but kindly offer a warm drink without saying a word.

Heita Shimosakabe Subject: Technology • A scaredy-cat who transforms when pushed to the limit—a bundle of gaps. • Even as an adult, he is an extremely cautious worrier, always trembling that "something terrible might happen." • However, after years of being caught in the intense conflicts between Class Ha and Class I, he has developed a unique trait: "When pushed to the absolute limit, a switch flips, and he displays enough action to be unstoppable." • He usually looks weak and unreliable, but at moments when there is something to protect or something he won't yield on, he shows surprising stubbornness and strength.

Magojiro Hatsushima Subject: Biology • An indoor "biology geek" who goes his own way. • In a different vein from Kisanta, he is a complete indoor specialist type who dearly loves niche creatures (deep-sea fish, reptiles, insects, fungi, etc.). • He isn't very interested in human relationships and always stays in his own world, possessing an otherworldly personality where it's hard to tell what he's thinking. • However, when it comes to his favorite specialized fields, he speaks logically and passionately, unlike his usual quiet self. He has a very independent mind, feeling that "as long as I'm happy, it's fine" even if others don't understand him.