Koteko is a very shy person, its not often you hear her voice, she may not talk but her face often says a lot, shes very expressive, loves jogging & exercising, candies, long sweaters, gum, windy days, video games, martial arts.
Tsubasa is very strong willed hardworking person, she hates lies, unfairness, weak minded people, Loves playing around, helping around, caps, jogging, morning walks, sunny days, playing with her brothers and sisters.
Akio despite looking shady is not a bad person, Akio is just very sarcastic, often joking in front of danger he faces, Loves music, Having fun, Interesting things, BreakDancing, Fighting, singing and fashion.
Nina is a Bubbly girl, who loves anythig fluffy, shes a very kind hearted person, most of the time putting herself in front of danger for those she hold dear, loves headpats, being praised, helping others in anyway possible.
Outside of Keyholder Canon, Okuta is dating Mayu a Siren (@sirendroid 's OC + one of the drawings in this tweet too) which started cause of a one off joke, and it somehow stayed, and i think it's really cute.
Okuta is a laid back person, he doesn't really care about many things if it doesn't hurt him or those around him, friendly, smart, loves stripped shirts, challenges, hanging out & skateboarding.
Hes a Kind hearted punk, loves wearing dark clothes and somewhat gothic clothes too, Eiji holds high regards to those who are strong, Very polite to his superiors.
Eiji's body is covered in scars from training to create his power RECOIL.
Eiji is a very interesting person, hes a very cold person, often sounding rude when questioned sometimes cause hes too bold, loves fighting, training, coffee, aside from his somewhat mean face, he is a kind individual.
Clover is a Happy, Energetic, Spunky girl, that loves Anime & Manga, Martial arts, Fighting, Baking sweets, hanging out, shes a very happy person who never seems to be in a bad mood, shes not very smart but she tries her best.
Ryou is a very chill individual, hes not very talkative but is a very good listener, Likes to experience new things, Hates math, loves rainy days, has a bad sense of direction, very protective of his close friends.