Read more about Satsuki Kiryuin at: Wikipedia

Official Site: Funimation

The anime series Kill la Kill, produced by Trigger, features a cast of characters with a variety of designs and abilities. , a fictional high school situated in Tokyo Bay, Japan, the characters consist mainly of students who wear , which give their wearers superhuman abilities. The protagonist Ryuko Matoi is a transfer student who searches for her father's killer, going against the iron-fisted student council president, , and then her mother's fashion empire.

is a 17-year-old schoolgirl, and the protagonist of the series, who transfers to Honnouji Academy in order to find the one who murdered her father Isshin Matoi. She possesses the Scissor Blade, one half of the that Isshin created to destroy uniforms empowered by Life Fibers. At the start of the series, she acquires a special "kamui" uniform named , which grants her special abilities. She lives with the . Ryuko is later revealed to be Satsuki's presumed dead younger sister during the battle at the Honnouji Academy Cultural & Sports Grand Festival, revealed to have become a human infused with Life Fibers as the result of her being experimented on as a newborn baby by their mother Ragyo.

is the ruthless student council president of Honnouji Academy of 18-year-old, administers Goku Uniforms to students using various hierarchical schemes such as a no-late day event and battle royal-esque tournaments such as the Naturals Election. She wields a katana named which can sever Life Fibers, later dons Kiryuin Family's kamui after Ryuko arrived to the school. She serves as a major opponent to Ryuko for most of the series. After having learned the true nature of the Life Fibers from her father at an early age, revealing she set up Honnouji Academy to oppose her mother, Satsuki attempts to assassinate Ragyo during the Honnouji Academy Cultural & Sports Grand Festival to celebrate subjugating every school in Japan. During the resulting fight, Satsuki learns Ryuko is her presumed dead younger sister before being captured. After being freed by Nudist Beach, Satsuki makes amends with Ryuko before they team up to face Ragyo in the series finale. In the OVA epilogue, Satsuki closed down Honnouji Academy as fulfilled its purpose while giving Rei closure.

is an energetic second-year student who is Ryuko's classmate and best friend. She immediately befriends Ryuko upon the latter's arrival at the school. Mako lives with her parents and younger brother in the slums of Honnō City. She is described as an "uber air-head" whose "unbelievable actions never cease to shock and awe the people around her." Despite putting herself in dangerous situations, she has a good heart and cares for Ryuko, providing her with constant encouragement. Senketsu notes that Mako is vital for getting Ryuko to relax. In the episode where she runs the Fight Club, she receives a two-star Goku Uniform styled like that of a delinquent.

Satsuki Kiryuin has not been a contender in any CBUB matches.