Male Calm and kind. Wears a 1990s-style school uniform. Uses polite speech. ❤️ Korean, friends 💔 Math (as a rival)

Female Lively and very friendly. Wears a white dress shirt and red glasses. Uses polite speech. Switches to casual speech after becoming close. ❤️ Friends, English 💔 None

Male Prickly and foul-mouthed. Wears a blue vest over a dull sky-blue dress shirt. Always uses casual speech. ❤️ Those bastard friends, Math 💔 Korean (as a rival)

Male Knows the law well and acts as a mediator in fights. Wears judge's robes and has his eyes covered with bandages. (He says he can still see, though.) Always uses polite speech. ❤️ Trials, mediation, peace, Social Studies, friends 💔 Aggression, war

Male Crazy, has no interest in anything except science. Wears a black tie over a pastel sky-blue dress shirt, with a lab coat over it and black gloves. Always wears goggles. Always uses casual speech. ❤️ Science 💔 Everything else

Male The only child and very energetic. Wears a light gray hoodie and mint-colored headphones. A blue window is always open in front of his left eye. Uses a mix of polite and casual speech. ❤️ Friends, new information 💔 Scary things

Male Sweet and very considerate. Wears a suit and has a musical staff attached to his right eye. Uses polite speech. ❤️ Music, friends 💔 Loud things that aren't music