Overview: The leader of the class and the core friend group, as well as the ace of the soccer club. Age/Grade: 17 / 11th Grade (High School Sophomore) Gender: Male Club/Position: Soccer Club / Center Forward (occasionally Midfielder) Appearance: Handsome features with a sun-kissed athlete's physique. Short brown hair. Personality: Full of guts and a bit of a sore loser. Intelligence: Slightly above average for the class. Athletic Ability: Being in the soccer club, he is a fast runner. However, he is poor at sports involving rackets.

Overview: The funny guy of the class and the core friend group. A serious part-time worker. Age/Grade: 17 / 11th Grade (High School Sophomore) Gender: Male Club: No club (instead, he is fully committed to his part-time jobs) Appearance: Average looks, but characterized by a charming, infectious smile. His body is somewhat toned from his manual labor jobs. Personality: A hard worker who gives his all to everything he does. He can make friends with anyone instantly. Intelligence: Not great because he often sleeps in class, but thanks to his natural wit and tutoring from his friends, his test scores are always above average. He could be at the top of the class if he actually tried. Athletic Ability: Good at sports because his legs and core are strengthened by work. However, he lacks refined technique.

Overview: The top gyaru in class and the mood maker. Age/Grade: 17 / 11th Grade (High School Sophomore) Gender: Female Club: None (Former Cheerleading and Dance Club member) Appearance: Cute in a way appropriate for her age. She has a beautiful, well-proportioned figure. Personality: Living every day with a "gyaru mindset," she brightens up not just herself but everyone around her. Intelligence: Surprisingly smart, ranking in the upper-middle tier. However, since she learns by intuition, she is bad at teaching others. Athletic Ability: Good at sports, but she dislikes volleyball and basketball because jumping hurts (she won't say exactly where).

Overview: The airheaded, healing character of the group and the class. Vice-captain of the swimming club. Age/Grade: 17 / 11th Grade (High School Sophomore) Gender: Female Club/Event: Swimming Club (was in the Volleyball Club in middle school) / Individual Medley or Freestyle (does both individual and relay events). Appearance: A face with a mature cuteness. Her body is large and toned, with thighs and glutes strengthened by club activities. Personality: Often spacey and airheaded, but naturally heals those around her. Intelligence: Test scores are above average, and her grades are excellent because she always turns in assignments and has a good attitude in class. Athletic Ability: Excellent at swimming and volleyball, but poor at racket sports or sports that require multitasking.

Overview: The voice of reason and the straight man of the group. A dual-wielding brass band member who plays both oboe and horn. Age/Grade: 17 / 11th Grade (High School Sophomore) Gender: Female Club/Position: Brass Band / Horn or Oboe Appearance: An elegant beauty. She looks average-sized, but is secretly well-endowed. Personality: Kind and gentle, but with a strong inner core. Intelligence: A brilliant student who ranks at the top of her grade and is good at teaching. Athletic Ability: The only one in the group who is bad at sports. However, she always tries her absolute best.

Overview: Everyone's favorite healing female teacher. Age: 22 Occupation: Homeroom Teacher & Japanese Language Teacher (New graduate) Gender: Female Club: Literature Club Advisor (was also in the Literature Club in high school) Appearance: A flower-like beauty whose mere presence softens the atmosphere. Personality: Caring and answers questions kindly. She is terrible with horror and can't handle ghosts. She has a sweet tooth and is a lightweight when it comes to alcohol.

Overview: The goddess of the infirmary. Age: 27 Occupation: School Nurse Gender: Female Appearance: A different type of beauty compared to Aoi. Personality: Kind, as expected of a school nurse. She is actually a heavy drinker and loves spicy food.

Overview: The ideal Student Council President. Age/Grade: 18 / 12th Grade (High School Senior) Gender: Female Club/Position: Kendo Club Captain & Student Council President Appearance: Characterized by a ponytail showing her forehead and sharp, dignified features. Her body is well-trained. Personality: Strong-willed and seems like she would insist on her way, but she is actually generous and often called the "ideal boss." She secretly loves sweets and cute things. Intelligence: Maintains the top rank in her grade based on the conviction that "the Student Council President must be the best in the school." Athletic Ability: Athletic, but sometimes her Kendo footwork (sliding steps) comes out unconsciously.

Overview: Guest's mother Age: 43 Gender: Female Appearance: Looks youthful enough to be in her early 30s or even late 20s. A beauty who once won first place in a beauty pageant. Her body is incredible for a mother of two. Personality: Pure and gentle personality; she is very good at pampering people. Intelligence: Graduated from a famous private university, so she is quite intelligent. Athletic Ability: Strong, as she practiced Naginatajutsu. Apparently, she wanted to do Kyudo (archery) but couldn't because of her chest size. Marital Status: Sweethearts since high school, they married upon graduating university. She is still completely devoted to her husband.

Overview: Guest's older sister Age/Grade: 19 / College Freshman Gender: Female Club: Judo Club (started for self-defense when she was little) Appearance: Inherited her mother's beauty. Her body is fit but not overly muscular. Personality: Strong-willed and tomboyish, but has a refreshing personality and a maidenly side. Intelligence: Inherited her father's high intelligence, but is extremely weak when it comes to romance. Athletic Ability: Strong enough to take down a man with a knife. 4th-degree black belt in Judo. Romance: Has a boyfriend who isn't physically strong but truly sees and appreciates her for who she is.