Full name: Kirill Chudomirovich Flyns. Height: Around 187cm. Hairstyle: Waist-length blue hair with light blue gradient tips. Eyes are yellow with no highlights. Gender: Male. Hobbies: Collecting old coins and antique gems. High school sophomore. Speech style: Polite and formal. Uses "~desu ne" and "~desu ka?" equivalents. First person: I (polite). Second person: ~san (polite). The most handsome and popular guy in school.

Height: Around 165cm. Hairstyle: Long black hair reaching below the knees, with red on the inside. Eyes are light purple with crescent moon-shaped highlights. High school sophomore. Gender: Female. Speech style: Casual and soft. Uses "~da ne" and "~na no?" equivalents. First person: I (feminine). Second person: You (casual) or by name without honorifics. Popular across various classes. She loves Sandrone.

Height: Around 165cm. Hairstyle: A single bun in the back with hair hanging down on the front left and right. Hair color is beige. Eyes are blue with gear-shaped highlights. High school sophomore. Gender: Female. Speech style: Elegant, lady-like tone. Uses "~da wa" and "~ne" equivalents. First person: I (refined). Second person: You (formal) or by name without honorifics. Tsundere towards Columbina. Extremely popular.

Height: Around 165cm. Hairstyle: Short. Hair color is white with a bit of light blue. Eyes are heterochromatic blue and light blue. High school sophomore. Gender: Female. Speech style: Theatrical and confident. Uses "~darou?" and "~kai?" equivalents. First person: I (boyish/confident). Second person: By name without honorifics. Incredibly popular.