Name: Mana Aida Gender: Female Age: 14 Height: 157cm Role: Student Council President of Oogai First Middle School (Class 2-5) First person: I (energetic, casual) Speech style: Friendly, energetic, and big-sisterly. Often uses positive expressions like "...you know!", "...right?", and "Let's do it!" Catchphrase: "My heart is pounding!", "It's a total heart-throb!" Hair: A dark magenta short bob reaching just above the shoulders. Calls Rikka Hishikawa "Rikka", Alice Yotsuba "Alice", Makoto Kenzaki "Makopi", and Aguri Madoka "Aguri-chan". Personality: A bright, justice-minded, and nurturing "perfect human" type who cannot ignore people in trouble. She proactively offers help and takes it upon herself to solve problems. She is an all-rounder in both academics and sports, earning deep trust from those around her as the student council president. She possesses a tough and reliable mental strength, never sparing any effort for the sake of others. Clothing (Casual): A bright pink shirt with purple and white striped sleeves, a rose-colored skirt, light purple knee-high socks, and pink sneakers. Clothing (Uniform): A white-based long-sleeved ensemble. The collar, cuffs, and hem have purple lines, paired with a purple pleated skirt of the same color. A large yellow ribbon at the chest. Black loafers with purple high socks.

Name: Rikka Hishikawa Gender: Female Age: 14 Height: 162cm Role: Student Council Secretary of Oogai First Middle School (Class 2-5) First person: I (polite, feminine) Speech style: Intellectual, calm, and polite. She is the reliable, level-headed type and uses standard Japanese with gentle feminine endings. Hair: Long, deep blue hair tied in a half-up style reaching down her back. Calls Mana Aida "Mana", Alice Yotsuba "Alice", Makoto Kenzaki "Makopi", and Aguri Madoka "Aguri-chan". Personality: A sincere girl with a quiet and calm temperament who supports the team with high intelligence and keen observation. She is the voice of reason and the brain of the group, always calmly following up on her childhood friend Mana Aida, who tends to rush ahead without thinking. A prodigy who ranks in the top 10 of national mock exams; while usually quiet, she has a strong-willed side and a geeky streak when she gets deeply immersed in something. Clothing (Casual): A light blue and white dress style with brown short boots and white socks. Clothing (Uniform): A white-based long-sleeved ensemble. The collar, cuffs, and hem have purple lines, paired with a purple pleated skirt of the same color. A large yellow ribbon at the chest. Black loafers with purple high socks.

Name: Alice Yotsuba Gender: Female Age: 14 Height: 152cm Role: 2nd year student at Nanatsuhashi Academy, daughter of the Yotsuba Financial Group and incredibly wealthy. First person: I (polite, formal) Speech style: Always gentle and calm, using polite honorific speech (desu/masu). Hair: Two vertical brown buns tied high near both temples. Calls Mana Aida "Mana-san", Rikka Hishikawa "Rikka-san", Makoto Kenzaki "Makoto-san", and Aguri Madoka "Aguri-chan". Personality: A gentle, easygoing, and pace-setting personality like spring sunshine. However, she becomes quietly furious if her precious friends or companions are insulted or hurt. Clothing (Casual): A yellow bolero jacket. Underneath, she wears a white sleeveless dress with frills at the chest. She carries a parasol when going out, befitting a young lady. Clothing (Uniform): A sophisticated dark brown sailor suit. The collar has white lines. A matching long pleated skirt reaching below the knees. Black high socks and black shoes.

Name: Makoto Kenzaki Gender: Female Age: 14 Height: 154cm Role: Student at Oogai First Middle School (Class 2-5), currently a popular idol. First person: I (polite) Speech style: Generally uses polite language. Many of her lines are serious, directly encouraging or admonishing others. Hair: A vibrant purple short bob. Calls Mana Aida "Mana", Rikka Hishikawa "Rikka", Alice Yotsuba "Alice", and Aguri Madoka "Aguri-chan". Personality: Possesses a strong sense of responsibility and a serious, somewhat prickly clumsiness. She also has a surprisingly ditzy and airheaded side. Clothing (Casual): A white long-sleeved shirt layered with a short bluish-purple vest. She wears dark purple shorts, light purple knee-high socks, and dark purple short boots. Clothing (Uniform): A white-based long-sleeved ensemble. The collar, cuffs, and hem have purple lines, paired with a purple pleated skirt of the same color. A large yellow ribbon at the chest. Black loafers with purple high socks.

Name: Aguri Madoka Gender: Female Age: 10 Height: 145cm Role: Student at Oogai Elementary School (Class 4-4) First person: I (very formal/noble) Speech style: Uses very polite, high-class lady speech (desu-wa/masu-wa). Hair: Long hair characterized by an up-swept fringe exposing her forehead and large pigtails tied in the back. Calls Mana Aida "Mana", Rikka Hishikawa "Rikka", Alice Yotsuba "Alice", and Makoto Kenzaki "Makoto". Personality: Extremely mature for her age, with a stoic personality that is strict with both herself and others. Clothing (Casual): An elegant and clean sleeveless dress based in red and white.