Sara Yuki Goryu Tatsunuki High School, 2nd Year, Class 1. Height: 158.5 cm Birthday: July 23 A top-tier national-level kendo practitioner known for her calm and gentle demeanor, featuring waist-length straight black hair and blue eyes. She ties her hair in a low ponytail for kendo. Her kendo style is orthodox, characterized by a gut-wrenching roar that vibrates the air. Her hobbies include cooking and making custom drinks. She practices daily with the goal of becoming the best in the club and winning the national championship; she is also a top student and a scholarship candidate. She values living true to herself. She is a friendly rival to Ruri and bonded with Rene over their shared taste in movies.

Ruri Mikage Goryu Tatsunuki High School, 3rd Year, Class 1. Height: 159.2 cm Birthday: November 2 A top-tier national-level kendo practitioner with beautiful waist-length wavy black hair in a half-up style and clear blue eyes. She is the club's vice-captain and has a little-devil, older-sister personality. She tucks her hair into a tenugui cloth when wearing her mask. Her specialty is a surprise-attack style, accompanied by a loud, sharp scream intended to intimidate opponents. She started kendo out of frustration after being teased and outmaneuvered by adults. Her hobby is doting on chinchillas and watching videos of them. She met Serina in their middle school kendo club; they promised to conquer the nationals together and enrolled in the same high school as practice partners and friends.

Serina Kimijima Goryu Tatsunuki High School, 3rd Year, Class 1. Height: 159.8 cm Birthday: May 23 The beautiful captain of the kendo club, featuring blue hair in a bun (waist-length when let down) and light blue eyes. She is a top-tier scholar who also serves as the student council treasurer. Usually a caring senior, she loses her composure once the mask is on, adopting a hyper-aggressive style with bloodshot eyes and intimidating screams. She started kendo in kindergarten, longing to be like a strong friend. She has been best friends with Ruri since middle school; they sit next to each other and consult one another, having promised to push each other to national victory. She is relied upon by all members and has high hopes for the growth of her junior, Ayame.

Rene Amou Goryu Tatsunuki High School, 2nd Year, Class 4. Height: 157.8 cm Birthday: October 24 A polite, beautiful mixed-race girl with straight blonde hair (tied in a low ponytail for kendo) and green eyes. A regular at national tournaments, she receives constant confessions due to her graceful presence. She dreams of working in Japanese film production and came to Japan to learn etiquette through kendo. Utilizing the core strength developed from playing brass instruments, she fights with an orthodox style, unleashing a primal roar that saps the opponent's will once her mask is on. She values being herself. She is best friends with Dahlia, with whom she shares a similar vibe, and gets along well with Sara due to their movie interests.

Chigusa Sakuma Goryu Tatsunuki High School, 1st Year, Class 2. Height: 149.9 cm Birthday: January 12 A beautiful girl characterized by black braided pigtails reaching just above her waist and dark brown eyes. A regular at national tournaments. In the dojo, she combines her two braids into one and lets it hang back. Usually shy and prone to stage fright, she transforms into a demon once the mask is on, using an orthodox style and a terrifying scream to crush the opponent's spirit. She started in 1st grade to overcome her habit of crying and mastered this vocalization by 2nd grade of middle school. She aims to live a life of "patient endurance." An avid reader who loves the works of author Rikudo Shikata. She discusses the artistry of prose with Mekatsura and is friends with Mira.

Dahlia Inazusa Goryu Tatsunuki High School, 2nd Year, Class 3. Height: 160.1 cm Birthday: April 30 A top-tier national-level beauty with chest-length wavy red hair and amber, half-lidded eyes. She ties her hair in a low ponytail and opens her eyes wide during kendo. Usually spaced out and slow-paced, she transforms into a hyper-aggressive fighter once the mask is on, shouting kiai with a loud, vibrating voice from her throat and gut. She values the pursuit of comfort and peace, spending her alone time sleeping on pillows. Her parents are famous hotel owners. She dislikes being called by her surname and will correct people. She met Rene in high school and is a best friend who sometimes teaches her about Japanese culture.

Ayame Shimura Goryu Tatsunuki High School, 1st Year, Class 3. Height: 154.6 cm Birthday: August 5 A high-energy, mascot-like beauty with bright brown medium-length hair and brown eyes. A regular at national tournaments. She ties her hair in a low ponytail for kendo. Usually a friendly, slightly ditzy junior, she becomes a defensive specialist once the mask is on, intimidating opponents with a roar that carries far even when her voice cracks. She started kendo to learn to control her emotions and show respect to others after a fight in 2nd grade. She respects Chigusa for her consideration of others. She sees Sara as her ideal sister figure. Having lost to Ruri in every national tournament she has entered, she is determined to defeat her.

Mira Mitsutake Goryu Tatsunuki High School, 1st Year, Class 4. Height: 153.3 cm Birthday: April 27 A calculatedly cute and airheaded beauty with pink hair tied in chest-length twin-tails (re-tied into a low ponytail for kendo) and pink eyes. A near-top national-level practitioner. When she grips a shinai, her eyes turn sharp, and she becomes a counter-specialist with a high-pitched, menacing voice. She started kendo after being inspired by watching Mr. Sasoribusa's matches. She is a friend who supports Chigusa emotionally. Her hobbies include making handmade accessories and DIY. She sometimes learns cooking from Sara.

Ogan Sasoribusa Homeroom teacher for Goryu Tatsunuki High School, 3rd Year, Class 1. Height: 174.5 cm Birthday: December 21 A 50-year-old mathematics teacher and kendo club advisor with short white hair and steel-gray eyes. 4th Dan. He started kendo in middle school to overcome a chronic illness. His kendo style is orthodox. While he watches his students with a strict eye, he secretly researches the industry to prepare for career counseling and takes more joy in his students' growth than anyone. He and Ms. Mekatsura respect each other and go out for dinner once a month. Single.

Mayumi Mekatsura Homeroom teacher for Goryu Tatsunuki High School, 1st Year, Class 4. Height: 163.5 cm Birthday: March 3 A quiet and fragile-looking 28-year-old classical literature teacher with shoulder-length orange hair and honey-brown eyes. Assistant advisor for the kendo club. She ties her hair in a low ponytail for kendo. Usually popular with students for her supportive nature, her eyes turn sharp when she grips a shinai, switching to a style that bewilders opponents with deep, manly roars. Born into a family that runs a dojo, she is a hidden expert at 6th Dan. She and Mr. Sasoribusa share mutual respect and dine together once a month. Single.