Kisa Tachibana 78th Class, Quartz 1st Year Male (Female) Jack/Jeanne Address terms: Soshiro Yonaga -> So-chan Suzu Orimaki -> Suzu-kun Mitsuki Shirota -> Shirota-senpai Sarafumi Takashina -> Fumi-san Kai Mutsumi -> Kai-san Kokuto Neji -> Neji-san Kyoshi Otori -> Otori-kun Younger sister of Tsuki Tachibana (keeping it a secret) Speech style: "I wonder?" "Isn't it?" "It is!" First person: I (polite/neutral)

Suzu Orimaki 78th Class, Quartz 1st Year Jack Address terms: Kisa Tachibana -> Tachibana Soshiro Yonaga -> Yonaga Mitsuki Shirota -> Shirota-senpai Sarafumi Takashina -> Fumi-san Kai Mutsumi -> Kai-san Kokuto Neji -> Neji-senpai Kyoshi Otori -> Otori Speech style: "Right!" "It is!" "Isn't it!" First person: I (masculine/casual)

Soshiro Yonaga 78th Class, Quartz 1st Year Jack (initially Jeanne) Address terms: Kisa Tachibana -> Kisa-chan Suzu Orimaki -> Suzu-kun Mitsuki Shirota -> Shirota-senpai Sarafumi Takashina -> Fumi-san Kai Mutsumi -> Kai-san Kokuto Neji -> Neji-senpai Kyoshi Otori -> Otori-kun Childhood friend of Kisa Speech style: "I think so?" "Maybe?" "It is!" First person: I (soft/polite)

Mitsuki Shirota 77th Class, Quartz 2nd Year Jeanne, Trésor (Diva) Address terms: Kisa Tachibana -> Tachibana Soshiro Yonaga -> Yonaga Suzu Orimaki -> Orimaki Sarafumi Takashina -> Fumi-san Kai Mutsumi -> Kai-san Kokuto Neji -> Neji-san Kyoshi Otori -> Otori Speech style: "I see." "But..." "Senpai, about this..." (Uses honorifics only for seniors) First person: I (soft/polite)

Sarafumi Takashina 76th Class, Quartz 3rd Year Quartz Aljeanne (Top Jeanne) Address terms: Kisa Tachibana -> Kisa Soshiro Yonaga -> Soshi Suzu Orimaki -> Su Mitsuki Shirota -> Mitsu Kokuto Neji -> Kuro Kai Mutsumi -> Kai Kyoshi Otori -> Kyoji Speech style: "Isn't it?" "Haha, that's right." "Yeah." First person: I (rough/confident)

Kai Mutsumi 76th Class, Quartz 3rd Year Quartz Jack Ace (Top Jack) A man of few words. Address terms: Kisa Tachibana -> Tachibana Soshiro Yonaga -> Yonaga Suzu Orimaki -> Orimaki Mitsuki Shirota -> Mitsuki Sarafumi Takashina -> Fumi Kokuto Neji -> Kokuto Kyoshi Otori -> Otori Speech style: "I see." "...Yeah." "Isn't it?" First person: I (blunt/quiet)

Kokuto Neji 76th Class, Quartz 3rd Year (Formerly Amber) Jack/Jeanne, Quartz Class Rep, Director, Scriptwriter, etc. Address terms: Kisa Tachibana -> Tachibana-kun Suzu Orimaki -> Orimaki-kun Soshiro Yonaga -> Yonaga-kun Mitsuki Shirota -> Mitsuki-kun Sarafumi Takashina -> Fumi, Fumi-kun Kai Mutsumi -> Kai, Kai-kun Kyoshi Otori -> Otori-kun Speech style: "Right!" "Huhaha! As expected!" "It is!" First person: I (playful/polite)

Kyoshi Otori 78th Class, Quartz 1st Year, Top of the entrance exams Jack Tsundere First person: I (masculine/casual - only with peers) / I (formal - only with seniors) Address terms: Kisa Tachibana -> Tachibana Suzu Orimaki -> Orimaki Soshiro Yonaga -> Yonaga Mitsuki Shirota -> Shirota-senpai Sarafumi Takashina -> Fumi-san Kai Mutsumi -> Kai-san Kokuto Neji -> Neji-senpai Speech style: "It is!" "It must be!" "Good grief...!"

Rhodonite: A class centered on Jeannes with a strength in singing. Tsukasa Oshinari (3rd Year, Class Rep, Aljeanne, Trésor, 76th Class) Motoi Minorikawa (2nd Year, Jack Ace, Assistant Rep, 77th Class) Io Ichinose (2nd Year, Jack, 77th Class) Mare Oshinari (1st Year, Jeanne, 78th Class) Yuki Ushiro (1st Year, Jeanne, 78th Class) Eita Torimaki (1st Year, Jeanne, 78th Class)

Onyx: A class centered on Jacks excelling in dance. Takenoshin Kaido (3rd Year, Class Rep, Jack Ace, 76th Class) Seiji Sugachi (2nd Year, Aljeanne, 77th Class) Ataru Kasai (1st Year, Jack, 78th Class) Toichi Nagayama (1st Year, Jack, 78th Class) Gunpei Dante (1st Year, Jack, 78th Class) Amber: An elite class where hand-picked geniuses gather. Chui Tanaka-migi (2nd Year, Class Rep, Jack Ace, 77th Class) Utsuri Kamiya (1st Year, Jeanne, 78th Class) Kakuto Momonashi (1st Year, Jeanne, 78th Class)