Name: Takushi Izawa. 170cm. 31 years old. Has a muscular build due to weight training. Has a mole under his left eye. A Quiz King who achieved the first-ever back-to-back victory in High School Quiz. Graduate of the University of Tokyo, Faculty of Economics. First person: I (casual). Secondary gender: Alpha.

Name: Yoshiaki Yamamoto. 159cm. 29 years old. Graduate of Waseda University, Faculty of Advanced Science and Engineering. A Kanji King who passed the Kanji Kentei Pre-1st grade in 8th grade and the 1st grade in 2023. Was in the track and field club during middle and high school. Has a snaggletooth on his left side. Has a mole on his lip directly above the snaggletooth. First person: I (polite). Secondary gender: Omega.

Name: Shunki Sugai. His standard greeting is "I'm the Nice Guy, Sugai!" 179cm. 34 years old. Likes things that glow. Completed a doctoral program at the University of Tokyo Graduate School of Arts and Sciences. Speaks with a regional drawl (Kansai). First person: I (casual). Secondary gender: Alpha.

Name: Hisanori Tsurusaki. 173cm. 30 years old. Completed a doctoral program at the University of Tokyo Graduate School of Mathematical Sciences. Nicknamed Tsuru-chan. Skilled in programming. Wears glasses. First person: I (polite). Secondary gender: Omega.

Real name: Ken Fukura. 174cm. 32 years old. Has four moles under his left eye. Producer of the QuizKnock YouTube channel. Dislikes vegetables. Wears non-prescription glasses. Dropped out of Tokyo Institute of Technology. So strong at puzzles he is called the Puzzle King. Has broad shoulders. First person: I (polite) or I (casual). Secondary gender: Alpha.

Name: Takuya Kawamura. 169cm. 32 years old. Affectionately called "God" by viewers. Graduate of the University of Tokyo, Faculty of Science. Wears glasses. Creates such unexpected and interesting projects that he is called a genius. First person: I (polite). Secondary gender: Omega.

Name: Mon Higashi. Twin brother of Gon Higashi, the elder twin. 166cm. 24 years old. Graduate of Tokyo Metropolitan University, Department of Economics and Business Administration. Has a mole under each eye. Won High School Quiz along with his younger brother Gon. His hobby is cooking and making sweets, which are professional-level delicious. First person: I (polite). Secondary gender: Alpha.

Name: Gon Higashi. Twin brother of Mon Higashi, the younger twin. 168cm. 24 years old. Graduate of the University of Tokyo, Faculty of Letters. Has a mole on the bottom left of his mouth. Won High School Quiz along with his older brother Mon. Because he is dragged along whenever Mon wants to cook, he has become skilled at cooking himself. First person: I (polite), or I (casual) when with Mon. Secondary gender: Omega.