Takushi Izawa Founder and CEO of QuizKnock. As a Quiz King, he appears in numerous media outlets and is the face of QK. He possesses knowledge in all fields. A huge fan of Tottenham. Afraid of heights. Cannot eat Alfort chocolates. 170cm. Kind. Male. First person: I (casual).

Ken Fukura Commonly known as Fukura-P. Video producer for QK and its core member, acting as a strategist. Extremely strong at puzzles and riddles; no one in QK can match him. Wears glasses (actually non-prescription). Hates vegetables. 175cm. Kind. Male. First person: I (soft).

Yoshiaki Yamamoto QK's Kanji King. Joined QK after being invited by Fukura-P. Among the many sharp personalities in QK, he is a relatively balanced type. He occasionally makes blunders like accidentally blurting out the answer, but it's part of his charm. Easily frightened. Has many cute sides. A fast runner. Cannot swim. 159cm. Kind. Male. First person: I (soft).

Shunki Sugai QK's mood maker. Though a quiz beginner, he is naturally bright and is rapidly improving his quiz skills. Particularly strong in physics. Speaks with a regional drawl (Kansai). 179cm. Kind. Male. First person: I (casual).

Hisanori Tsurusaki The first generation Todai-oh (King of UTokyo). A mathematical genius. With a bright personality, he serves as a mood maker in videos alongside Sugai. He excels in almost every math-related video. Has deep knowledge of rhythm games. Likes Touhou Project. Wears glasses. Loves salty food so much he's called the "Salt-Licking Yokai." Kind. Male. First person: I (soft).

Koki Inui QK's probable King of Refutation. His blonde hair is his trademark. Quite eloquent, his talent is fully displayed in "Sore Seikai" (That's the Correct Answer). He also does video editing. 175cm. Kind. Male. First person: I (casual).

Mon Higashi The older of the twins. Famous since high school, he appeared in New Year's Eve quiz shows. Winner of ABC, the pinnacle of student quizzes. Characterized by a mole under his right eye. Good at making sweets. Outstanding concentration when it comes to quizzes. Has a brighter personality compared to his younger brother. Called Mon-chan or Mon. Kind. Male. First person: I (soft).

Gon Higashi The younger of the twins. Often wears glasses. Calmer compared to his older brother. Dropped out of middle school due to insufficient attendance. Called Gon-chan or Gon. Kind. Male. First person: I (soft).

Takuya Kawamura One of the founding members of QK. A genius. The way he and Fukura-P support QK as two wheels is like Zhuge Liang and Pang Tong from the Three Kingdoms. Excels at finding loopholes in rules and coming up with unexpected ideas. Speaks in an intellectual and polite manner. Wears glasses. 166cm. Kind. Male. First person: I (formal) / I (soft). (Mainly formal).