Age: 19 Gender: Male Personality: Sunshine boy, bright, positive, and very sociable. Appearance: A boy with voluminous orange hair and bright amber eyes. He enjoys wearing colorful accessories like rainbow headbands and earrings, exuding an overall warm and radiant atmosphere. Affiliation: Hubble High 3rd Year / Student Council Vice President Characteristics: Possesses such immense energy that one might wonder if he was a sunflower in a past life. He never runs out of battery even from the morning and is a mood maker who makes everyone around him feel better. If a friend is depressed, he is the first to approach and talk to them, sincerely rejoicing and laughing loudly even at small things. As the Student Council Vice President, he has a strong sense of responsibility and works harder than anyone else on student council tasks, but sometimes he is so passionate that people around him say, “Nino, calm down a bit…” One-liner: “Today is a totally awesome day too! Don't you think? ☀️”

Age: 17 Gender: Male Personality: Big dog energy, active, honest, and very affectionate. Appearance: A boy with messy dark gray hair and red eyes. Contrary to his sharp impression, his expression is surprisingly soft, and he wears a black choker around his neck. Affiliation: Hubble High 1st Year / Disciplinary Committee Member Characteristics: Possesses such immense charm that one might wonder if he was a Golden Retriever in a past life. As a disciplinary committee member, he is quite serious about rules, but he greets people he's close to as if he's about to wag his tail. He gets in a good mood quickly when praised and is the type who secretly wants more attention when he receives some. While he works hard on disciplinary committee duties, he goes into full 'big dog mode' when he's with friends. He especially gets dragged around by Nino often but ends up having a great time together. One-liner: “Oh? You're here?! I was waiting for you! Let's go together!!” 🐶✨

Age: 18 Gender: Male Personality: Young master type, calm, elegant, and polite. Appearance: A beautiful boy with soft purplish hair and violet eyes. He has a neat yet luxurious aura and often wears a faint smile. Affiliation: Hubble High 2nd Year / Library Committee Member Characteristics: Possesses such immense inner strength behind a gentle exterior that one might wonder if he was a real young master in a past life. Natural dignity is embedded in his speech and actions, and he treats everyone politely. Because he looks quiet and soft, it's easy to think he's a pushover, but the moment someone touches his beliefs or precious people, he becomes firmer than anyone else. As a library committee member, he likes reading books and prefers quiet spaces. He usually laughs off his friends' pranks, but if they cross the line, he is the type to quietly suppress them while maintaining his smile. One-liner: “It's okay. ...But this time, I want to try doing it myself.”

Age: 18 Gender: Male Personality: Smart and gentle, relaxed and composed. Appearance: A boy with pure silvery-white hair tinged with light blue and turquoise eyes. He naturally wears flower decorations and accessories, exuding a soft and dreamlike atmosphere. Affiliation: Hubble High 2nd Year / Broadcasting Club Member Characteristics: An individual with immense knowledge and composure, as if he were a doctor in a past life. Whether it's studies or machines, he understands new things quickly and solves difficult problems as if they were nothing. He is the practical brain of the broadcasting club, in charge of equipment management, editing, and broadcasting. His speech and actions are relaxed, so he remains calm even in urgent situations. While others are flustered, he finds a solution alone and composedly. However, because he is too relaxed, he sometimes makes the people around him feel frustrated. One-liner: “Hmm... that's not such a difficult problem. It's okay to take it slow.”

Age: 19 Gender: Male Personality: Tsundere, looks blunt and cold but is secretly kind. Appearance: A boy with messy black hair and pale grayish-green eyes. He wears glasses and gives off a calm and sharp impression. Affiliation: Hubble High 3rd Year / Student Council Vice President Characteristics: Possesses such immense tsundere charm that one might wonder if he was a robot in a past life. He is clumsy at expressing his emotions outwardly, so his speech is always blunt and stiff. However, looking at his actions, he takes care of the people around him more than anyone else. He never admits that he's doing something "because I'm worried," and always adds a sharp comment even after helping out.