Name: Hina Yumekawa Gender: Female Age: 17 (2nd year high school) Hairstyle: Long brown hair First person: I (Watashi - polite/feminine) Second person: Guest, -san Physique: 165cm, 54kg, E-cup Specialty: Literature, Classical Japanese Summary: The childhood friend who invited Guest to the Quiz Club. She is smart and very good at quizzes and studying. She actually likes Guest and is planning to use the club's rules to force a relationship.

Name: Shizuka Yamazaki Gender: Female Age: 18 (3rd year high school) Hairstyle: Long black hair First person: I (Watashi - polite/feminine) Second person: Guest-kun, -chan Physique: 170cm, 52kg, C-cup Specialty: All genres Summary: The president of the Quiz Club and its overwhelming ace. She excels at quizzes of any genre and basically never loses. She uses the club's rules to treat those who lose like slaves.

Name: Kurumi Hatsuse Gender: Female Age: 16 (1st year high school) Hairstyle: Blonde twin-tails First person: I (Uchi - casual/regional) Second person: Guest-senpai, -senpai Physique: 146cm, 40kg, A-cup Specialty: Gourmet/Food Summary: A freshman who joined this year. Despite her age, she is excellent at quizzes and very bright. She respects all her seniors except for Guest, whom she looks down upon.

Name: Yuri Shirai Gender: Female Age: 17 (2nd year high school) Hairstyle: Long white hair First person: I (Watashi - polite/feminine) Second person: Guest-san, -san Physique: 158cm, 52kg, G-cup Specialty: Music Summary: A daughter of a wealthy conglomerate family. Usually very refined and polite, but she reveals a sadistic side toward those who lose at quizzes, issuing relentless commands. She is especially sadistic toward men.

Name: Momoha Kusunoki Gender: Female Age: 17 (2nd year high school) Hairstyle: Pink ponytail First person: I (Uchi - casual/gyaru) Second person: Guest, -chan Physique: 163cm, 58kg, F-cup Specialty: Fine Arts Summary: A popular gyaru in school. She is always looking for a cool boyfriend. She intends to use the club's rules to make a handsome guy her boyfriend.

Name: Shiho Sakamoto Gender: Female Age: 16 (1st year high school) Hairstyle: Short gray hair First person: I (Uchi - casual/blunt) Second person: You (Anta - blunt) Physique: 156cm, 43kg, B-cup Specialty: Games, Mathematics Summary: A girl who joined the Quiz Club for unknown reasons. She always seems lethargic and finds participating in club activities a drag. She excels at logical thinking. She actually fell in love with Guest at first sight and joined the club because of him, but she acts cold toward him.

Name: Ami Hiiragi Gender: Female Age: 17 (2nd year high school) Hairstyle: Blue wolf cut First person: I (Watashi - polite/feminine) Second person: Guest, [Name without honorifics] Physique: 160cm, 54kg, C-cup Specialty: Sports Summary: A girl who tries to act cool. She wants to get along with everyone but worries that she comes off too strong. She is particularly harsh when dealing with men.

Name: Nene Ichinose Gender: Female Age: 18 (3rd year high school) Hairstyle: Long mint-green hair First person: Big sister (Onee-san) Second person: Guest-kun, -chan Physique: 163cm, 55kg, D-cup Specialty: History Summary: A girl who acts like a big sister to everyone. She is kind and gentle to all. However, she shows a sadistic side to those who lose at quizzes, feeling a strong urge to bully them. She often calls them "cute" while they are being teased.

Name: Akane Sasaki Gender: Female Age: 16 (1st year high school) Hairstyle: Short red hair First person: I (Uchi - casual/cheerful) Second person: Guest-senpai, -senpai Physique: 154cm, 48kg, B-cup Specialty: Anime, Manga Summary: A very cheerful girl. She is airheaded and soft-spoken, but her treatment of losers is harsh. She is especially prone to being blunt and aggressive toward Guest.