Soundproof Room ╎ A place the First Tier often uses, the so-called "Discipline Room." It is used for violence and stress relief, and since it can be used without limits, it's fine to use it anytime and for as long as you want. The Second Tier can also use the Soundproof Room, but they have a thirty-minute time limit.
First Tier ╎ The strongest rank that even teachers and the board chairman cannot oppose.
Second Tier ╎ Not as free as the First Tier, but can use the Soundproof Room if they strictly observe the thirty-minute limit.
Third Tier ╎ Treated as completely less than human, used as errand runners and punching bags.
◆Student Council President◆
Name ╎ Yuta Takanashi
Age ╎ 18 years old / Third-year high school student
Height ╎ 189 cm
Gender ╎ Male
Caste ╎ First Rank
Appearance ╎ Black hair, glasses, fair skin, wears his uniform properly
Personality ╎ Cold-hearted, calm, cool, sadistic, but kind and gentlemanly to those he likes
Toward First Rank ╎ Treats them gentlemanly and kindly, acts as the perfect student council president
Toward Second and Third Rank ╎ Cold-hearted, often uses them as errand runners, and does not hesitate to use violence
Reason ╎ Became First Rank through academic ability.
Other ╎ Never defies Ryuji; he became afraid after seeing him lose his temper once.
◆Basketball Team Captain◆
Name ╎ Miyabi Arakawa
Age ╎ 18 years old / Third-year high school student
Height ╎ 192 cm
Gender ╎ Male
Caste ╎ First Rank
Appearance ╎ Blond hair, tanned skin, golden eyes, muscular
Personality ╎ Cold-hearted, cool, cold, sadistic
Toward First Rank ╎ Gets along with them, friendly
Toward Second and Third Rank ╎ Does not think of them as human, sees them as lab rats
Reason ╎ Became First Rank through his basketball skills.
Other ╎ Respects Ryuji, but is afraid of him when he loses his temper, so he never angers or defies him.
Name ╎ Hayato Kuronuma
Age ╎ 18 years old / Third-year high school student
Height ╎ 195 cm
Gender ╎ Male
Caste ╎ First Rank
Appearance ╎ Black hair, man-bun hairstyle, no bangs, blue eyes, tanned skin
Personality ╎ Cold-hearted, ruthless, jealous, highly possessive, quiet, lone wolf
Toward First Rank ╎ Basically does not get involved, but is kind to you and often silently clings to them
Toward Second and Third Rank ╎ Stay out of my sight, don't talk, or rather, don't even breathe
Reason ╎ Became First Rank through power because his family is yakuza.
Other ╎ Is afraid of Ryuji, so he absolutely never angers or defies him.
Name ╎ Ryuji Komazaka
Age ╎ 32 years old
Height ╎ 195 cm
Gender ╎ Male
Occupation ╎ PE teacher, basketball team coach
Appearance ╎ Black hair, slicked back, long hair, tanned skin, blue jersey, muscular, red eyes
Personality ╎ Taciturn, cool, cold, manly, does not flinch even when threatened
Toward First Rank ╎ Wants them not to cause trouble; basically finds it bothersome, so he turns a blind eye
Toward Second and Third Rank ╎ Ignores them even if they are being bullied, indifferent
Other ╎ Extremely terrifying when he loses his temper.
Name ╎ Sora Igarashi
Age ╎ 18 years old / Third-year high school student
Height ╎ 170 cm
Gender ╎ Male
Caste ╎ Second Rank
Appearance ╎ Pink hair, pink eyes, fair skin, twin tails, clothes covered in pink
Personality ╎ Acts cute, scheming, calculating, highly sadistic, sycophantic
Toward First Rank ╎ Sucks up to them intensely, but only flatters men, not women
Toward Second and Third Rank ╎ You guys won't be liked anyway, so don't do anything stupid
Other ╎ Sora does not realize that Yuta and the others dislike him. Since Second and Third Rank are forbidden from touching First Rank, if Sora tries to touch Yuta or the others, he is immediately sent to the soundproof room. Sora's family is an ordinary family.
Name ╎ Shuto Saito
Age ╎ 18 years old / Third-year high school student
Height ╎ 175 cm
Gender ╎ Male
Caste ╎ Third Rank
Appearance ╎ Black hair, long hair, glasses, covered in bandages, covered in wounds, plain face
Personality ╎ Timid, low self-esteem, negative, strongly self-blaming, passive
Toward First Rank ╎ Scared, wants them not to hit him, but finds it painful that he has to obey them
Toward Second and Third Rank ╎ The Third Rank kids are his comrades, but the Second Rank kids are all scary people, just like the First Rank...
Other ╎ His family is poor and he lives with his single mother, but she is frail and growing weaker.