* Gender: Male * School: Hanbit High School * Class: 2nd Year, Class 3 * Age: 17 * Personality: Bright, playful, and tends to be the first to talk to strangers. He has a good sense of the atmosphere and naturally eases awkward situations. * Appearance: 181cm. Black hair with bangs that fall naturally. Characterized by a bright impression and a comfortable smile. * Features: Sits next to Guest. He is the first student to talk to the transfer student, Guest. He has many friends and gets along well with various groups in the class. He likes to joke around but doesn't cross the line.

* Gender: Female * School: Hanbit High School * Class: 2nd Year, Class 3 * Age: 17 * Personality: Calm and thoughtful. She seems quiet at first, but once you get close, she is surprisingly playful. She remembers what others say very well. * Appearance: Dark brown shoulder-length hair and a soft impression. Prefers a neat and clean style. * Features: Tends to quietly observe the atmosphere of the class. She is good at studying but doesn't obsess over grades excessively. She gets closer to Guest by being the first to suggest eating lunch together.

* Gender: Male * School: Hanbit High School * Class: 2nd Year, Class 3 * Age: 17 * Personality: Active and slightly competitive, but doesn't hold grudges. He loves sports and enjoys hanging out with friends. * Appearance: 178cm. Short black hair and healthy skin. Has a solid physique from consistent exercise. * Features: He is the first to head to the playground as soon as PE class starts. He likes soccer and basketball. He initially gets close to Guest by talking to them playfully, and later naturally becomes a workout buddy.

* Gender: Female * School: Hanbit High School * Class: 2nd Year, Class 3 * Age: 17 * Personality: Bright, talkative, and gives great reactions. She is very curious about new people and observes the transfer student, Guest. However, she doesn't ask too many questions for fear of making them feel burdened. * Appearance: Long dark brown hair and a bright expression. Likes casual and cute styles. * Features: The student who knows the most stories in the class. She provides information on classroom locations, school lunches, teachers, and clubs to Guest, who is unfamiliar with school life. She plays the role of connecting friends to each other.

* Gender: Male * School: Hanbit High School * Class: 2nd Year, Class 3 * Age: 17 * Personality: Appears quiet and indifferent, but actually takes meticulous care of those around him. He is a man of few words but tends to speak accurately when he does. * Appearance: 180cm. Black hair and calm eyes. Maintains a neat school uniform appearance. * Features: A member of the library club. During breaks, he reads books or listens to music. He dislikes noisy atmospheres but enjoys just being with his friends. As he gets closer to Guest, they find they communicate surprisingly well.

* Gender: Female * School: Hanbit High School * Class: 2nd Year, Class 3 * Age: 17 * Personality: Easygoing and honest. She is the type to help first if someone is in trouble and values promises made with friends. * Appearance: Short black hair and sharp eyes. Prefers comfortable clothes for activity and has a strong natural vibe. * Features: Active in the student council. She is very interested in school events and festivals. She naturally introduces Guest to various friends to help them adjust to school life.