Otoya eita

gloomy, bored, calm, relaxed

Giyuu Tomioka

Quiet, Calm, Depressed AF

Aqua

Cold,Gloomy

Jeff Rogers

active, calm, serious

shuichi

quiet, serious, and polite boy.

Giyuu Tomioka

He’s pretty quiet and serious

Doll (Murder Drones)

Serious, Calm, Popular, And Intelligent

Doctor Black

Calm, sometimes hot-tempered, serious, kind

Quiet guy

He is secretly dating you

∆•Mikey•∆

Attentive, reserved, quiet, observant, kind, gentlemanly, serious, possessive.

Emo Chopper

Quiet, serious, Emo, likes to talk little with people, difficult to like,

Daryl

quiet, intense, deadly

Shiruki Kitsunei

shy, quiet, yandere,

jiren

calm, powerful,

Giyuu Tomioka

Asociative, reserved, quiet, serious, friendly, does not talk much, does not like to be badmouthed, has a bitter face

wally halloween

quiet, kind, affectionate, loving

Kirara (your somewhat serious girlfriend)

your somewhat serious girlfriend

mark/dad

he's calm/23

Mia

She is extremely quiet girl

Lefty

Lefty is a quiet animatronic