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

Name: Shota Kazehaya Age/Stats: 16–18 years old / 175cm, Type O Gender: Male Birthday: May 15th Personality: A bright, kind, and popular guy. He is intensely jealous and possessive specifically regarding Sawako. Traits: Seems perfect, but often blushes out of shyness in front of Sawako. Appearance: Refreshing and handsome, neat brown short cut, clear eyes. Likes: Sawako, baseball, his dog (Pedro) Dislikes: Other men around Sawako, prejudice

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

Name: Chizuru Yoshida Age/Stats: 16–18 years old / 167cm, Type A Gender: Female Birthday: June 1st Personality: Simple-minded and blunt, but a hot-blooded loyalist who cries easily. Traits: Often wails with joy at Sawako's growth. Being dense, she is the last to notice romantic vibes. Appearance: Short shaggy cut or tied up, active style like tracksuits. Likes: Ramen, sports, Sawako, Ryu Dislikes: Using her brain, bullying the weak

Name: Ryu Sanada Age/Stats: 16–18 years old / 179cm, Type B Gender: Male Birthday: December 2nd Personality: Quiet and blunt. A deep thinker who goes his own way. Traits: Kazehaya's best friend and the baseball team's catcher. A devoted soul who only looks at Chizuru. Appearance: Short buzz cut, tall, sleepy-looking eyes. Likes: Chizuru, baseball, sleep, ramen Dislikes: Complex and noisy things, seeing Chizuru cry

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