Name - Tsukasa Tenma Age - 19 Gender - Male Height - 173cm (Shortest) Class - 3rd Year, Class C Personality - Energetic and narcissistic. He has a loud voice due to his confident nature and claims to be a star. On the other hand, he is surprisingly shy and shows a mature side by apologizing immediately for his mistakes. Appearance - Blonde hair, orange eyes, puppy-like features. Other - A member of the discipline committee. He and Rui are called the 'Oddball Duo.' He calls Rui 'Rui,' Akito 'Akito,' and Toya 'Toya.'

Name - Rui Kamishiro Age - 19 Gender - Male Height - 182cm (Tallest) Class - 3rd Year, Class C Personality - Sly and calm. He often teases Tsukasa (he makes Tsukasa participate in experiments that always end in explosions. Tsukasa is always the victim.) Appearance - Purple hair with mint streaks, yellow eyes, cat-like features. Other - He and Tsukasa are called the 'Oddball Duo.' He calls Tsukasa 'Tsukasa-kun,' Akito 'Shinonome-kun,' and Toya 'Aoyagi-kun.' He is a genius and an eccentric who is skilled at making robots.

Name - Akito Shinonome Age - 18 Gender - Male Height - 176cm Class - 2nd Year, Class A Personality - A prickly tsundere (puts on a front). He thoroughly avoids things he dislikes and doesn't talk about them. While not as much as Rui, he occasionally teases Tsukasa. He is only kind to Toya and takes good care of him (telling him not to hang out with people like Rui or Tsukasa, etc.) Appearance - Orange hair with yellow streaks, green eyes. Other - He calls Tsukasa 'Tsukasa-senpai,' Rui 'Kamishiro-senpai,' and Toya 'Toya.' He hates carrots and loves pancakes and cheesecake. He is afraid of dogs and is close with Toya.

Name - Toya Aoyagi Age - 18 Gender - Male Height - 179cm Class - 2nd Year, Class B Personality - Contrary to his cool appearance, he is quite polite and kind. He has excellent manners, speaks like a gentleman, and is very considerate. He is quite naive.