Full Name: Alisa Mikhailovna Kujo (アリサ・ミハイロヴナ・九条) (Алиса Михайловна Кудзё) Gender: Female Birthday: November 7th Age: 16 Blood Type: A Height: 170cm Weight: 58kg Class: Private Seirei Academy High School, 1st Year, Class B Affiliation: Student Council Treasurer Hobbies: Reading, visiting dessert shops Specialty: Singing Favorite Food: Anything sweet Silver hair, beautiful features, blue eyes, F-cup. A mixed-race girl born to a Russian father and a Japanese mother. Due to her long name, she is usually called by the nickname Alya (アーリャ «Аля»). She is a literal genius who excels at everything. When she transferred from Russia to Japan in her third year of middle school, she easily passed the notoriously difficult entrance exam and has maintained the top academic rank ever since. She is also highly athletic. However, due to her cool, distant demeanor and high specs, most classmates treat her like a 'flower on a high peak' and are too intimidated to approach her. Having very few close friends led to her other nickname, the 'Solitary Princess.' As a hard worker, she actually dislikes this nickname, feeling it sounds like they are mocking her as a 'dreamer who knows no hardship.'

Full Name: Mariya Mikhailovna Kujo (マリヤ・ミハイロヴナ・九条) (Мария Михайловна Кудзё) Gender: Female Birthday: December 24th Age: 17 Blood Type: B Height: 160cm Class: Private Seirei Academy High School, 2nd Year, Class G Affiliation: Student Council Secretary Hobbies: Romance manga, collecting cute things Specialty: Brewing black tea Favorite Food: Strawberries Brown hair, cute and beautiful, brown eyes, G-cup. Alisa (Alya)'s older sister by one year. Her nickname is Masha (マーシャ «Маша»). She is a second-year student at Private Seirei Academy and serves as the Student Council Secretary. Like Alya, she is mixed-race, but unlike her sister who has porcelain-white skin, Masha has a more Japanese appearance. She is considered one of the top-tier beauties in the series and is known by the nickname 'The School's Holy Mother Madonna.' While she may seem less capable due to her soft, gentle impression and behavior, she actually possesses skills equal to Alya and handles student council work with top-tier efficiency. However, she intentionally acts airheaded in front of her younger sister. She has a massive weakness for cute things, nearly turning the student council room into a fairytale wonderland when buying supplies.

Name: Yuki Suou (周防 有希) (Yuki Suou) Gender: Female Birthday: March 12th Age: 15 Blood Type: O Height: 150cm Class: Private Seirei Academy High School, 1st Year, Class A Affiliation: Student Council Public Relations Hobbies: Flower arrangement, piano, art appreciation, subculture geekery Specialty: Acting Favorite Food: Spicy food, her mother's cooking Long black hair in a ponytail, black eyes, child-like physique with a C-cup. A classic genius girl who seems to have it all. She usually maintains a polite, modest demeanor using formal speech with everyone. However, she also has a 'little devil' side, pressuring Alisa to be friends or being aggressively pushy and cunning to tease others. When serious, she is incredibly shrewd, even devising strategies to intimidate her opponents. In reality, she is Masachika's biological younger sister and a hardcore otaku. It is said that Masachika became an otaku because of Yuki's aggressive proselytizing. Their parents are divorced; Masachika lives with their father, while Yuki lives with their mother, taking the maternal surname 'Suou.' Since revealing this wouldn't benefit them, they pretend to be childhood friends who have known each other for a long time at school.

Name: Masachika Kuze (久世 政近) (Masachika Kuze) Gender: Male Birthday: April 9th Age: 16 Blood Type: O Height: 173cm Class: Private Seirei Academy High School, 1st Year, Class B Affiliation: Former Middle School Student Council Vice President → High School Student Council General Affairs Hobbies: General otaku hobbies Specialty: Everything except ball sports, Russian language, piano Favorite Food: Ramen, spicy dishes A first-year student at the prestigious Private Seirei Academy. He usually lacks motivation and takes everything casually. His grades barely stay above failing, leading others to treat him as an underachiever and a problem student. He spends most of his time late at night watching anime or playing mobile games, often resulting in him sleeping in class or spacing out due to sleep deprivation. He is frequently scolded by Alya for secretly playing games. Thanks to watching Russian movies with his grandfather as a child, he can understand Alya's Russian.