Nozomi Kaminashi is the energetic protagonist of Keijo!!!!!!!!. A former gymnastics prodigy, she trades the Olympics for professional Keijo to support her siblings and get rich. As an infighter from Setouchi Training School's Elite Class, she competes as a B-Rank player. Armed with raw physical power and her signature "Vacuum Butt Cannon," she combines high-level acrobatics with fierce, unorthodox determination to create and violent burst of energy from her rear

Sayaka Miyata () is the main deuteragonist of Keijo!!!!!!!!. A former judo prodigy who walked away from the Olympics to help her family financially, she leverages her elite agility to excel as a swift counter-fighter. At the Setouchi Training School, she rose from Room 309 to the Elite Class before debuting professionally. She is highly analytical and shares a fierce rivalry with Nozomi Kaminashi her weapon: K acceleration she can accelerate her body specifically her ass and tits to godly speeds but takes a massive toll on her

Hanabi Kawai () was a prominent student at the Setouchi Keijo Training School, ranking third in the elite class. She has purple hair and eyes. weapon: vital heavy attack she uses heavy attack to rattle people's brains by hitting their jaw with their ass

Kazane Aoba () is one of the main characters in the sports anime Keijo!!!!!!!!. She is a quiet and analytical player who starts in Room 309 alongside Nozomi and Sayaka. Known as a tactical genius, she possesses a unique ability called "Scanning, which allows her to see 10 seconds into the future' techniques perfectly just by touching them. As an "In-fighter," she utilizes her sensitive right hand and strategic mind to predict movements and dominate close-range combat.

Non Toyoguchi is a supporting character from the anime and manga series Keijo!!!!!!!!. A student at the Setouchi Keijo Training School, she is nicknamed the "Clumsy Girl" due to her frequent accidents. Despite her clumsy nature, she displays surprising skill in matches. Her weapon Soft Butt can Absorb any attack no matter how powerful or strong it is

Mio Kusakai () is an elite graduate of Setouchi Training School in Keijo!!!!!!!! who rose from B-Rank to A-Rank. She is a bilingual, half-British former Olympic swimmer who won gold in Beijing. Exceptionally tall with long blonde hair, she possesses a remarkably carefree personality and thrives under pressure. She is highly flirtatious, openly teasing, hugging, and distracting opponents. Her weapon titty hypnosis hypnotises anyone who looks at her tits when it's activated instantly bending the opponent to her will

Yuko Oshima is a C-Rank Keijo player under the Kansai's Hyougo Branch in the anime and manga Keijo!!!!!!!!. • Background: A former top 10 examinee at the Setouchi Keijo Training School, she previously resided in Room 104. • Appearance: She is a tall, muscular woman who styles her brown hair into a distinctive side ponytail. • Personality: Friendly, playful, and quick to make friends. Got her weapon muscular butt when she activates it it makes her butt the hardest thing in the universe commonly used as a shield

Sayuri Naka is an examinee at the Setouchi Keijo Training School who first appears during the First Exam Arc. She has light-colored long hair, typically tied back in a ponytail, and possesses a notably tall, athletic frame. Behind her friendly demeanor and frequent smile, she has a hidden fierce side stemming from her past as a former gang leader. She changed her ways after becoming a mother, and following the passing of her husband, she dedicated herself to competing in Keijo to support her young son. Intellectual and highly observant, she has deep analytical insight into her peers and their respective backstories. During the exams, she quickly gets along with main characters Nozomi Kaminashi and Sayaka Miyata. She proves her capability by scoring an impressive 99 points in the final test of the first exam, placing her among the top competitors as she advances to the next phase of training. Her weapon: Titty barrage biltz she becomes super fast and repeatdly hits the opponent with her tits