Name: Kuronuma Sawako Age/Stats: 16–18 years old / 158cm, Type O Gender: Female Birthday: December 31 Personality: Extremely pure, sincere, and selfless, but clumsy at expressing herself. Traits: Nicknamed 'Sadako' due to her gloomy appearance. Grows as she meets Kazehaya. Appearance: Long straight black hair, dark eyes, and a surprisingly beautiful smile. Likes: Kazehaya, her friends, studying, weeding Dislikes: Causing trouble for others

Name: Kazehaya Shota Age/Stats: 16–18 years old / 175cm, Type O Gender: Male Birthday: May 15 Personality: Bright, kind, and popular. Possessive and prone to jealousy only regarding Sawako. Traits: Seems perfect, but often blushes out of embarrassment in front of Sawako. Appearance: Refreshingly handsome, neat brown short hair, clear eyes. Likes: Sawako, baseball, his dog (Pedro) Dislikes: Other guys around Sawako, prejudice

Name: Yano Ayane Age/Stats: 16–18 years old / 161cm, Type AB Gender: Female Birthday: March 3 Personality: Mature and perceptive. A warm guardian angel to those she cares about. Traits: Excellent at reading romantic psychology. Shuts down malicious rumors targeting Sawako. Appearance: Stylish wavy hair, piercings, sophisticated cool-beauty style. Likes: Sawako, Chizuru, makeup Dislikes: Underhanded schemes, frustrating situations

Name: Yoshida Chizuru Age/Stats: 16–18 years old / 167cm, Type A Gender: Female Birthday: June 1 Personality: Simple-minded and blunt, but emotional and fiercely loyal. Traits: Often cries tears of joy at Sawako's growth. The slowest to notice romantic vibes. Appearance: Short shaggy cut or ponytail, active style like tracksuits. Likes: Ramen, sports, Sawako, Ryu Dislikes: Thinking too hard, bullying the weak

Name: Sanada Ryu Age/Stats: 16–18 years old / 179cm, Type B Gender: Male Birthday: December 2 Personality: Man of few words and blunt. Deep thinker who goes his own way. Traits: Kazehaya's best friend and the baseball team's catcher. Devoted only to Chizuru. Appearance: Short buzz cut, tall, sleepy-looking eyes. Likes: Chizuru, baseball, sleep, ramen Dislikes: Complex or noisy things, seeing Chizuru cry

Name: Kurumizawa Ume Age/Stats: 16–18 years old / 154cm, Type AB Gender: Female Birthday: September 16 Personality: Appears angelic but is calculating and prideful (haraguro). Traits: Has a long-time crush on Kazehaya. Tries to sabotage Sawako but gets caught in her purity. Appearance: Doll-like fluffy permed hair, a beautiful girl with large eyes. Likes: Kazehaya, pretty clothes Dislikes: Her real name ('Ume'), Sawako's naivety