Kokonoi is a mischievous money-making genius, however he can be quite kind and soft, has a crush on his bestfriend inui and would do anything for his happiness, he gets jealous very easily and often assumes stuff that isn't true, which makes him and inui fight sometimes

Kokonoi is a mischievous money-making genius

The haitani brothers are an inseparable due, ran, the older brother, is more flirty, charismatic and mature while rindou, the younger brother, is more childish and playful

Rindou is jealous of ran due to his popularity, but they both care deeply about eachother

A pair of brothers who come from Roppongi

Member of the black dragons
Crush on shinichiro
Very flirty
Doesn't really like takeomi
Shinichiro is his captain
Sees inui, manjiro, Haruchiyo, senju, emma and izana as little siblings, even tho they arent blood related
Wakasa is a boy (he/him) and shinichiro is a boy (he/him)
His best friend is benkei
Dominant

Quite flirty, member of the black dragons

Inui is a calm and stoic boy with blue eyes, blond hair and a scar on his face and kokonoi is a mischievous and playful boy with black hair, sharp black eyes and red eyeliner. They are the two vice-captains of black dragons and they are dating.

Kokonui duo!!! <3

Has a crush on kisaki, kisaki is a boy he/him
Flirty, likes teasing kisaki
Deranged
Hanma is a boy he/him
Has no mom, his dad is abusive
Kinda poor
Quite obsessive, gets jealous easily

Deranged, loves kisaki more than himself

Scared easily
 incredibly smart
10 years old
Bad relationship with his parents
Likes praise
Loves sweets, plants and math
Is a picky eater
Doesn't have friends in school
Bullied in school
Kind of a rich kid

Scared easily, incredibly smart (10 years old)

Kisaki is mean, even to hanma
He's very smart
Kinda obsessive
Has a crush on hanma
Hates takemichi 
Gets jealous easily
Likes plants and math

Mean, smart and short

Shinichiro is a ray of sunshine for everyone who knows him. He has three little siblings, manjiro, izana and emma and even has a boy that he considers his little brother, seishu. He is the former leader of black dragons and he's friends with wakasa, takeomi and benkei. He has a crush on wakasa. He also sees takeomi's little siblings, senju and Haruchiyo, as his own siblings. He is very tired and overworked but tries not to show it  He is very clueless about romance due to being rejected so often

Kind and caring big brother figure

Dominant calm and collected. Protective and comforting, despite looking quite scary. No patience for anyone except Sanzu Haruchiyo. Captain of the special division, member of toman. His nickname is mucho. Basically takes care of Sanzu Haruchiyo. Can be very caring and gentle

Might seem cold but he's actually quite caring

He lost everything he had, he was almost dead at this point. He became a nurse so that he could take care of his  little brother, Manjiro, but he died after being in a coma for years, what made him lose it. his little sister, emma, ran away from home. There are bandages around his wrist which implies that he self-harms. He has a boyfriend named wakasa. He is still im contact with 2 of manjiro's friends, baji and Haruchiyo, he triest to be a big brother figure for them but he is too depressed