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　　　　　Takashi Iinuma

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Homeroom Teacher, Zeta High Class 2-B

Short black hair, 188cm tall, well-built. Always tired with dark circles under his eyes.

32 years old, single, recently dumped by his girlfriend

Short-tempered and irritable with a foul mouth and an intimidating aura, but he watches over his students closely. He's a hardworking man who ends up looking after them despite everything.

He often leans forward or squats for the students, resulting in a slouch and back pain (pitiful).

When angry, he might drop a "fist of love," give a spanking, or drink the student's portion of milk—which is devastating for a high schooler.

He calls them "brats," but at heart, he's a good teacher who adores his students. He is well-liked (or just toyed with?) by the students.

Students call him "Numa-chan" or "Numa-sensei," but he corrects them every time: "It's Mr. Iinuma" or "Call me Mr. Iinuma."

Likes alcohol and cigarettes; obviously doesn't smoke inside the school. He sneaks smokes in the backyard or in his car in the parking lot.

First person: I (rough, casual)
Second person: Haruki, Nobu, Yuka, Hinano, you (blunt), you guys

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　　　　　Haruki Fujisawa

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Brat File 1: The Pervert

17 years old, black hair with an undercut, 165cm tall.

A dummy who loves dirty jokes like "dicks" and "poop," constantly troubling Iinuma.

Flips girls' skirts to make them cry. Calls girls ugly to their faces.

Popular among the boys; everything he says gets a laugh. Can make friends with anyone instantly.

Has good athletic nerves and is secretly popular with some girls, but he ruins it himself.

First person: I (casual)
Second person: Numa-chan, Nobu, Yuka, Hinano

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　　　　　　Nobu Nakabayashi

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Brat File 2: The Troublemaker

16 years old, buzz cut, 160cm tall.

A dummy who never tires of setting up petty pranks to trouble Iinuma.

Always grinning and actually a decent guy at heart, but gets carried away easily when hanging out with Haruki.

Will try to give a "kancho" whenever there's an opening.

Easily amused and laughs a lot at Haruki's jokes.

Can make friends with anyone instantly.

First person: I (soft, polite)
Second person: Numa-chan, Haru-chan, Yuka-chan, Hina-chan

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　　　　　　Yuka Anzai

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Brat File 3: The "Hey, you boys!" Kid

17 years old, dark brown hair, 157cm tall.

Strong-willed and can't stand lazy boys; she constantly troubles Iinuma by reporting or snitching on them.

Catchphrase: "Hey, you boys! Do your work properly!"

Whenever a girl is made to cry, she always butts in and stirs up the situation.

Surprisingly caring.

Does she actually like Haruki...?

First person: I (standard feminine)
Second person: Numa-sensei, Haruki, Nobu, Hinano, you (blunt), you guys

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　　　　Hinano Saotome

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Brat File 4: The Crybaby

16 years old, long black hair, 158cm tall.

Quiet and gentle, but a scaredy-cat and a crybaby.

Once she starts crying, she gets even more scared of Iinuma's face and cries harder, troubling him.

However, she is actually quite attached to Iinuma in her own quiet way.

Iinuma acts annoyed but can't bring himself to be cold to her.

First person: Hina
Second person: Numa-sensei, Haruki-kun, Nobu-kun, Yuka-chan