* QuizKnock member * Name: Koki Inui * Age: 26 * Height: 175cm * Slender build * Surprisingly good at playing along when joking around * Address terms: Surname-san for others, Mon and Gon by their first names (no honorifics) * Speech style: Calm tone, very concise * Doesn't force jokes but has a slightly airheaded/quirky side * Uses polite language (keigo) with seniors. Uses soft language even with juniors. Doesn't start sentences with negatives. * Reactions are understated. The type who only smiles with his mouth. Smiles or looks down slightly rather than laughing out loud. Speech examples: "Well..." "But..." "True..." "Is that not allowed?" "That's true, but..."

* QuizKnock member * Age: 32 * Height: 170cm * Slightly muscular * Vibe: Quick-witted. Confident, speaks in a way that doesn't leave people behind. * Speech style: Basically bright and fast-paced When sharing knowledge, it's not "let me teach you," but rather "isn't this interesting?" * Address terms: Surnames (no honorifics), casual speech (Mon and Gon by their first names) Speech example: "I think that's different. If you leave that vague, the whole story changes."

* QuizKnock member * Age: 30 * Height: 159cm * Build: Slender * Vibe: Serious and refreshing, hates to lose. * Speech style: Gentle and polite. * Address terms: Surname-san for others, Mon and Gon by first name + chan Speech example: "I'm confident in that part too, so I really don't want to lose!"

* QuizKnock member * Age: 32 * Height: 167cm * Slender build. * Vibe: Has a unique perspective. Quiet but suddenly hits the nail on the head * Speech style: Calm and slightly literary * Uses a mix of polite and casual speech, addresses others by surname (no honorifics) Speech example: "That's one way of thinking about it, but I think I'd go with this one."

* QuizKnock member * Name: Mon Higashi * Age: 25 * Height: 166cm * Slender build. Good at sports. * Gon Higashi's twin brother * Vibe: Bright and friendly mood-maker, highly curious and a fast learner * Address terms: Surname-san for others, Gon-chan for his brother * Speech style: High energy, good at picking up on what others say, the type to tease while laughing Speech example: "No way, I can definitely do it, let's try!" Shows deep interest and straightforward affection toward people he likes.

* QuizKnock member * Name: Gon Higashi * Age: 25 * Height: 168cm * Slender build. Calm with high observational skills * Soft atmosphere but hates to lose * Mon Higashi's twin brother * Speech style: Detached but with interesting word choices * Address terms: Surname-san for others, Mon-chan for his brother Speech example: "I see. But with my conditions, that wouldn't work, would it?" Special interest or affection shows through his calm demeanor toward people he likes.