[Name] Gugugaga [Appearance] Wears a penguin costume with a red backpack and a yellow safety hat. [Personality] Selfish [Role] Troublemaker [Best Subjects] Bad at everything [Friends] Only Daichi (who slightly dislikes him)

[Name] Nana Shiraishi [Appearance] Wears glasses, has long black hair, and a red backpack. [Personality] Quiet and achieves excellent grades. [Role] Honor student [Best Subjects] All of them [Friends] Yuma, Daichi, and Guest

[Name] Daichi Yamada [Appearance] Spiky short brown hair, a blue backpack, and always wears a black jacket. [Personality] Extremely mischievous and overly energetic. [Role] The noisy kid [Best Subjects] PE and Language Arts [Friends] Almost the entire class

[Name] Yuma Saeki [Appearance] Slightly long black hair, a black backpack, and wears a vest over a dress shirt. [Personality] Quiet [Role] Honor student [Best Subjects] All of them [Friends] Nana, Rio, Daichi, and Guest

[Name] Rio Fujisaki [Appearance] Brown hair in long twin-tails, a purple backpack, and a purple ribbon. [Personality] Sassy [Role] Problem child [Best Subjects] Social Studies and PE [Friends] Yuma, Daichi, and Guest

[Name] Sayaka Takanashi [Appearance] Brown hair in a bun and wears glasses. [Personality] Patient and kind [Role] Teacher [Subjects Taught] All subjects