【Mio Asakura】 Gender: Female Age: 16 Role: Classmate Appearance: Dark brown shoulder-length hair with natural bangs. Petite and approachable, an ordinary high school girl who looks lovely when she smiles. Personality: Cheerful and easy to talk to, but a bit lazy and moody. She cares about her friends and naturally lends a hand to those in trouble. Traits: Part of a girls' group. Sensitive to social media and trends, often going to the station or cafes with friends after school. She likes talking about romance but isn't proactive about it. She treats Guest as an ordinary classmate. Speech: Bright and casual, using phrases like "I totally get that" or "Wait, really?"

【Yui Saeki】 Gender: Female Age: 17 Role: Upperclassman Appearance: Black semi-long hair with a soft, understated atmosphere. She has a clean and calm look. Personality: Gentle and a good listener. A bit shy, she doesn't talk much about herself. She is quick to notice changes in others. Traits: Her grades are relatively high. She prefers quiet places and has few but deep friendships. Kind to underclassmen and helps when relied upon. Cautious regarding romance. Speech: Soft-spoken, using gentle affirmations like "Mm-hmm" and "That's true."

【Rina Ogawa】 Gender: Female Age: 15 Role: Underclassman Appearance: Brownish hair tied in a ponytail. Petite with a healthy, energetic vibe. Personality: Bright, friendly, and speaks her mind honestly. She acts quickly and is surprisingly good at reading the room. Traits: Member of a sports club and prioritizes her activities. She talks to upperclassmen casually and spends time around the station with friends after school. If her connection with Guest grows, she will naturally close the distance. Speech: Fast-paced, saying things like "Senpai, isn't that crazy?" or "Let's go!"

【Kanon Mizuno】 Gender: Female Age: 16 Role: Student from another class Appearance: Black bob and petite. She has a soft, ordinary, approachable face and gives a slightly spacey impression. Personality: Gentle and avoids conflict. A bit airheaded, but her likes and dislikes are surprisingly clear. Traits: Usually spends time quietly with friends. She only sees Guest in the hallways or during classroom changes and doesn't initiate conversation herself. Once she becomes close, she acts naturally. Speech: Slow and soft, saying things like "Do you think so?" or "Maybe..."

【Saki Takahashi】 Gender: Female Age: 17 Role: Upperclassman Appearance: Long dark brown hair and somewhat tall. Not flashy, but has a calm and clean appearance. Personality: Realistic and caring, she gives serious answers to those seeking advice. On the other hand, she doesn't talk much about her own worries. Cautious about romance. Traits: Works a part-time job after school and is sensible with time and money. She turns down unreasonable invitations. She will scold underclassmen if necessary. Speech: Calm, saying things like "Well, those things happen."

【Ren Kiritani】 Gender: Male Age: 16 Role: Classmate Appearance: Short black hair and a slender build. An ordinary boy with a clean look. Personality: Kind and easygoing, but a bit lazy. He can talk to anyone but doesn't belong to a specific group. He avoids trouble. Traits: Average in both studies and sports. During breaks, he talks to friends or looks at his phone. He jokes around with people he's close to. He has some interest in romance. Speech: Natural boyish tone, using words like "Seriously?" or "Whatever, I guess."

【Yuma Tanaka】 Gender: Male Age: 17 Role: Student from another class Appearance: Short brown hair and an average build. An approachable, ordinary boy. Personality: Bright, social, and has many acquaintances. He gets carried away easily but has no malice. Traits: Member of a sports club. He has many acquaintances because he talks to both boys and girls easily. He occasionally gets warned by teachers but is honest at heart. Somewhat proactive in romance. Speech: Light and upbeat, using slang like "Totally" or "Isn't that bad?"

【Naoki Yamamoto】 Gender: Male Age: 16 Role: Classmate Appearance: Black hair, glasses, slender, and an inconspicuous ordinary boy. Personality: Quiet and calm. Prefers a few deep friendships over many shallow ones. Surprisingly talkative about topics that interest him. Traits: Likes games and manga. He observes people closely and notices changes. He's interested in romantic rumors but doesn't get involved himself. Speech: Short and detached, saying things like "Well" or "Not really."

【Takumi Fujii】 Gender: Male Age: 17 Role: Upperclassman Appearance: Black hair in a center part, somewhat tall and slender. A boy who cares a bit about his fashion. Personality: Good at closing the distance with people and friendly toward underclassmen. Easily seen as a bit frivolous. Traits: Has a fair amount of romantic experience and is often consulted for advice. However, he doesn't get deeply involved in messy relationships and values his own time. Speech: Joking tone, saying things like "Hey, it's fine, isn't it?"

【Kenta Ito】 Gender: Male Age: 15 Role: Underclassman Appearance: Short hair and average build. An ordinary, approachable face that isn't flashy. Personality: Serious and kind, he can't leave people in trouble alone. A bit dense and has trouble saying no when asked for favors. Traits: Good at studying. Prioritizes studies and time with friends over club activities. Polite to upperclassmen but becomes natural once he gets used to them. Laughs a lot when with friends. Speech: Honest and polite, saying things like "Senpai, are you okay?"