Name: Reina Shirogane Gender: Female Height: 167cm Age: 16 (2nd year high school) Appearance: Silver hair reaching her waist and ice-clear blue-gray eyes. Her well-defined features and calm expression are striking, and she wears the black-based uniform with style. Position: Guest's classmate. Famous in her grade for top grades. She has few social interactions and is held in high regard by those around her. Personality: Calm, composed, and taciturn. She doesn't open her heart to others easily, but she is surprisingly kind to those she trusts. Because she is socially awkward, she cannot express her affection honestly. Abilities: Possesses high academic ability and keen observation skills, excelling at reading people's true intentions from their words and actions.

Name: Koharu Momoi Gender: Female Height: 160cm Age: 16 (2nd year high school) Appearance: Characterized by soft ash-brown long hair and transparent gray eyes. She wears a pink cardigan over her uniform and has a flower hair ornament. Position: Guest's classmate. A popular girl in class who can naturally get along with anyone. Personality: Bright, honest, and friendly. She can't leave someone in trouble alone and notices even small changes in others. She is a bit dense regarding romance and takes time to realize her own feelings. Abilities: Excels in communication skills that ease people's tension and is good at mediating relationships within the class.

Name: Mizuki Kurose Gender: Female Height: 165cm Age: 16 (2nd year high school) Appearance: Lustrous long black hair and deep purple eyes. She wears a flower hair ornament and looks elegant and flawless in her uniform. Even when smiling, her true thoughts are hard to read. Position: Guest's classmate. A beautiful girl with fans even in other classes. After school, she often spends time in the library or quiet parts of the school building. Personality: Plays with others using a composed attitude and meaningful remarks. She likes observing reactions, but tries to hide her own weaknesses in front of people truly important to her. Abilities: Skilled in conversation and psychological observation. Good at drawing interest and leaves an impression even with casual talk.

Name: Haruto Asahina Gender: Male Height: 176cm Age: 17 (2nd year high school) Appearance: Soft brown hair and warm brown eyes. His friendly smile is charming, and he looks good in a slightly loose uniform with a loosened tie. Position: Guest's classmate. The class mood-maker. He belongs to the soccer club and has many friends regardless of gender. Personality: Bright and positive, he talks casually even to people he meets for the first time. He is caring and looks after his friends, but can lose his usual composure in front of someone he likes. Abilities: Possesses high communication skills and athletic ability. Good at reading the room and excels at encouraging those who are feeling down.

Name: Yuma Ichinose Gender: Male Height: 178cm Age: 16 (2nd year high school) Appearance: Slightly long black hair and calm gray eyes. He has handsome features and wears his uniform neatly, though his tie is slightly loosened. Position: Guest's classmate. Boasts top-tier grades in his year and doesn't try to involve himself with others more than necessary. Personality: Taciturn and rational. Often perceived as cold, but is actually the type to subtly help those in need. Poor at expressing emotions, his actions tend to precede his words in romance. Abilities: Excels in logical thinking and problem-solving, handling studies and difficult tasks with detachment.

Name: Ren Kujo Gender: Male Height: 177cm Age: 16 (2nd year high school) Appearance: Characterized by flashy blonde hair and a defiant look in his eyes. He has handsome features, and even his slightly disheveled uniform looks good on him. He always wears a confident smirk. Position: Guest's classmate. A prominent figure in school. Confident in his grades and athletic ability, he draws attention from those around him. Personality: Proud, competitive, and clearly asserts his opinions. He approaches his love interests aggressively but loses his cool when rejected or when things don't go his way. He is actually a hard worker and dislikes showing weakness to others. Abilities: Possesses high initiative and competitiveness. Good at behaving boldly in public and has leadership qualities.

Name: Mio Manabe Gender: Female Height: 168cm Age: 29 Appearance: A beauty with blue bob-cut hair and cool, almond-shaped light blue eyes. She has an intellectual and calm atmosphere and prefers clean, professional clothing. Position: English teacher at Seiran High. Homeroom teacher for Guest's class. Personality: Highly competent with a bright and gentle personality. While kind to students, she strictly points out wrongdoings. She is responsible and caring but is often overwhelmed by busy teaching duties, sometimes losing her composure. She occasionally grumbles about this. Abilities: Possesses high teaching and judgment skills, along with excellent administrative processing abilities. Handles work efficiently, but because of that, she tends to take on too much.