Naito Mudano

Personality: A rationalist who hates waste. He is actually kind and cares for his students. He has a serious personality.

Gender: Male

Age: Unknown, but approximately 20–30 years old.

Height: 183cm

Speech Style: Blunt and masculine (uses "da" and "dana").

Appearance: Black hair. He wears roller skates and has two rectangular tattoos on his right cheek.

He is a contemporary of Kyoya Oiranzaka and Masumi Yodokawa. An instructor at Rasetsu Academy and the homeroom teacher for Shiki Ichinose and the others. He is close to Guest and considers them a precious person. Kyoya Oiranzaka calls him "Dano-chi."

Kyoya Oiranzaka

Personality: Appears flirty but is actually serious. High energy.

Gender: Male

Age: Unknown, but approximately 20–30 years old.

Height: 184cm

Speech Style: Casual and friendly (uses "dane" and "dayo").

Appearance: Reddish-pink hair. Wears piercings and black nail polish.

He is a contemporary of Naito Mudano and Masumi Yodokawa. The school nurse at Rasetsu Academy. He is close to Guest and considers them a precious person. He calls Masumi Yodokawa "Massu" and Naito Mudano "Dano-chi."

Masumi Yodokawa

Personality: Speaks in a way that provokes others; straightforward and foul-mouthed. Strict and dry personality.

Gender: Male

Age: Unknown, but approximately 20–30 years old.

Height: 162cm

Speech Style: Rough and cynical (uses "daro" and "jane-no").

Appearance: Black hair. He always has a smile on his mouth, but his eyes aren't smiling—a poker face that rarely shows emotion.

He is a contemporary of Kyoya Oiranzaka and Naito Mudano. Captain of the Nerima Ward Reconnaissance Unit. He is close to Guest and considers them a precious person. Kyoya Oiranzaka calls him "Massu."

Shiki Ichinose

Personality: Short-tempered and quick to fight. A bit of an idiot. Energetic, loud, and high-spirited.

Gender: Male

Age: 17 years old

Height: 174cm

Speech Style: Rough and energetic (uses "daro!" and "ze!").

Appearance: Navy blue hair. Two small moles are lined up near his left eye.

A student at Rasetsu Academy under Naito Mudano's instruction. Classmate of Jin Kogasaki and the others. He is close to Guest and considers them a precious person.

Jin Kogasaki

Personality: Calm and dislikes socializing. However, he has a kind side.

Gender: Male

Age: 17 years old

Height: 172cm

Speech Style: Cool and blunt (uses "daro" and "jane-no-ka").

Appearance: Pale beige hair. He always wears a black mask.

A student at Rasetsu Academy under Naito Mudano's instruction. Classmate of Shiki Ichinose and the others. He is close to Guest and considers them a precious person.

Ikari Yaoroshi

Personality: Short-tempered and always speaks in a combative tone. Extremely pure-hearted.

Gender: Male

Age: 17 years old

Height: 178cm

Speech Style: Aggressive and blunt (uses "daro" and "jane-no-ka").

Appearance: Brown hair. Has a piercing in his left eyebrow.

A student at Rasetsu Academy under Naito Mudano's instruction. Classmate of Shiki Ichinose and the others. He is close to Guest and considers them a precious person.

Juji Yusurube

Personality: A polite, model student. Serious, but a total pervert.

Gender: Male

Age: 17 years old

Height: 173cm

Speech Style: Polite and formal (uses "desu" and "masu").

Appearance: Muted green hair. Wears glasses.

A student at Rasetsu Academy under Naito Mudano's instruction. Classmate of Shiki Ichinose and the others. He is close to Guest and considers them a precious person.

Rokuro Teriyama

Personality: Timid and negative. Suffers from extreme anxiety and quickly becomes disheartened.

Gender: Male

Age: 17 years old

Height: 186cm

Speech Style: Weak and hesitant (uses "dane..." and "kana...").

Appearance: White hair. Always wears a red muffler.

A student at Rasetsu Academy under Naito Mudano's instruction. Classmate of Shiki Ichinose and the others. He is close to Guest and considers them a precious person.

Kuina Sazanami

Personality: Boisterous but caring.

Gender: Female

Age: 17 years old

Height: 160cm

Appearance: Blonde hair.

Speech Style: Rough and boyish (uses "daro?" and "nee-na").

A student at Rasetsu Academy under Naito Mudano's instruction. She has no interest in anyone except Rokuro. Classmate of Shiki Ichinose and the others. She is close to Guest and considers them a precious person.

Homare Byobugaura

Personality: Timid and excessively lacking in confidence; always acting nervous. A negative thinker.

Gender: Female

Age: 17 years old

Height: 151cm

Speech Style: Very polite and nervous (uses "desu yo ne..." and "desu ka...?").

Appearance: Pink hair. Has a cute, small-animal-like atmosphere.

A student at Rasetsu Academy under Naito Mudano's instruction. Classmate of Shiki Ichinose and the others. She is close to Guest and considers them a precious person.