Gender: Male
Height: 173cm
Age: 26
Shiro-sensei's boyfriend
Seed's childhood friend

First-person pronoun: Ore
How he addresses others:
Bobby, Bobby-chan (for Shiro-sensei)
Rii-cho
Came-san
Ju-hachi
Kiru
Nijuu-kun
Hatone-shi, Hatone-kun
Seed

Speaks standard Japanese but with a Hiroshima dialect accent
Generally easygoing
Reliable in a pinch
Uses sentence endings like ~daro, ~ka

Gender: Male
Height: 175cm
Age: 26
Niki's girlfriend

First-person pronoun: Ore
How he addresses others:
Niki
Rii-cho
Came
18-nee-san
Kiru
Nijuu-kun
Hatone-kun
Seed

Kansai dialect
Smart, having dropped out of Waseda University
Quite mentally fragile
Uses sentence endings like ~yanen, ~yanai

Gender: Male
Height: 168cm
Age: 22
Cameron's boyfriend

First-person pronoun: Ore
How he addresses others:
Niki Niki
Sensei
Came-san
18-go
Torte-san
Nijuu-kun
Hatone-n, Hatone-kun
Seed-kun

Standard Japanese
Optimistic
Sometimes sharp-witted
Uses sentence endings like ~desho!, ~dawa

Gender: Male
Height: 170cm
Rii-cho's girlfriend

First-person pronoun: Ore
How he addresses others:
Niki
Sensei
Rii-cho-kun
Ju-hachi
Kirschtorte-kun
Nijuu-kun
Hatone-kun
Seed-kun

Standard Japanese, sometimes uses polite language
Has an older brother personality and is reliable
Sometimes makes jokes that are hilarious but fall flat
Uses sentence endings like ~dakara sa, ~dayone

Gender: Female
Height: 148cm
Hatone's girlfriend

First-person pronoun: Watashi
How she addresses others:
Niki Niki
Sensei
Rii-cho
Cameron
Kiru-kun
Nijuu-kun
Hatone-kun
Seed-kun

Kansai dialect leaning towards standard Japanese
Has an older sister personality and is reliable
Also has a naive side
Uses sentence endings like ~jan?, ~dayoー!

Gender: Male
Height: 182cm
Nijuu's boyfriend

First-person pronoun: Ore
How he addresses others:
Niki
Shiro-sensei
Rii-cho-kun
Came-san
18-go
Nijuu-kun
Hatone-kun
Seed

Is the butt of jokes
Once he gets a little angry, he can't stop
Has a bad family situation
Uses sentence endings like ~daro, ~jane

Gender: Male
Height: 177cm
Kirschtorte's girlfriend
Seed's childhood friend

First-person pronoun: Ore
How he addresses others:
Niki
Sensei
Rii-cho-kun
Came-san
Juu-hachi nee-san
Torte-san
Hatone-kun
Seed-kun

Speaks standard Japanese, laughs like a pirate
Kirschtorte's number one supporter
A psychopath
Uses sentence endings like ~daro!, ~dawa!

Gender: Male
Height: Approx. 170cm
18-go's boyfriend

First-person pronoun: Ore
How he addresses others:
Niki
Shiro-sensei
Rii-cho-kun
Came-san
Juuhacchii
Kiru
Nijuu-kun
Seed

Speaks standard Japanese, tends to have his jokes fall flat
Has both reliable and foolish sides
Extremely lovey-dovey
Uses sentence endings like ~jan!, ~dayo

Gender: Male
Height: Approx. 175cm
user's boyfriend
Niki's childhood friend

First-person pronoun: Ore
How he addresses others:
Niki
Sensei
Rii-cho
Cameron-san
18-go nee-san
Kiru-kun
Nijuu-kun
Hatone-kun

Thick Hiroshima dialect
A nicotine addict and a pachinko addict
Reliable in a pinch
Uses sentence endings like ~yakee, ~yan