Kurosaki began her singing career in
Akihabara at the performance venue and bar Dear Stage, where she had been singing since at least January 2008. Music producer Akihiro Tomita noticed her singing talent, and he subsequently became her producer when she made her major debut signed to Geneon Universal Entertainment (now
NBCUniversal Entertainment Japan). She first announced her major debut to her fans in January 2010. Before she had her major debut, she posed as a
gravure model for the cover of Yūsaku Kitano's novel
Maid Road Reload sold on April 26, 2010, by
ASCII Media Works under their
Media Works Bunko imprint. Kurosaki's first music release was her debut album
H.O.T.D. on September 22, 2010, which contains the ending theme songs used in the 2010
anime series
Highschool of the Dead. She also made a voice acting cameo during the series' twelfth episode. To commemorate the album and the broadcast of the anime, she performed songs from the album once a week at Dear Stage from July 7 to September 22, 2010. Another event to commemorate the album was held at
Animate in
Yokohama on October 16, 2010. Kurosaki became the regular host for the Thursday broadcast of the radio program
A&G Artist Zone 2h on October 7, 2010; she would host the show until 2011. Her debut single "Magic World" was released on November 24, 2010, and she performed at Dear Stage on that day to commemorate the release. Kurosaki's second single was released on March 2, 2011. Both "Magic∞World" and "Memories Last" were used as ending theme songs to the 2010 anime series
A Certain Magical Index II. Kurosaki had her first solo live event titled "Maon Kurosaki Live 2011 Spring: Memories First" on March 4–5, 2011, in
Harajuku. She made her North American debut at
Anime Expo 2011 in Los Angeles, California where she performed on July 1 and 3. She released the mini-album
Goshiki Uta: Immortal Lovers on August 10, 2011, which contains the ending theme songs used in the 2011
original video animation series
Hakuōki Sekkaroku. Kurosaki released her second studio album
Butterfly Effect on November 30, 2011, containing the song "Scars", the ending theme for the ninth episode of
Hellsing Ultimate. In 2011, Kurosaki formed the band
Altima with
Move's Mototaka "Motsu" Segawa and
fripSide's Satoshi "Sat" Yaginuma. Kurosaki released three more singles in 2012: "Hell:ium" on May 9, on August 8, and "Under / Shaft" on October 17. "Reimei" is used as the opening theme for the 2012
Hakuōki Reimeiroku anime series, and "Under / Shaft" is used as the opening theme for the 2012
Jormungand: Perfect Order anime series. She was a guest at
Anime Festival Asia Malaysia in 2012. Her third studio album
Vertical Horizon was released on April 10, 2013. Her single "X-Encounter", released on November 6, 2013, is used as the opening theme for the 2013
Tokyo Ravens anime series. Her fourth studio album
Reincarnation was released on July 23, 2014. In July 2014, she attended the Bangkok Comic Con. Her seventh single was released on October 15, 2014; the song is used as the opening theme for the 2014
The Fruit of Grisaia anime series. Her eighth single was released on May 13, 2015; the titular track is used as the opening theme for the 2015
Le Eden de la Grisaia anime series. She made an appearance at CharaExpo in Singapore in June 2015. Kurosaki's ninth single was released on August 19, 2015.
Harmonize Clover, along with from the same single, are both used as ending themes for the 2015 anime series
School-Live!. She released her fifth studio album
Mystical Flowers on November 25, 2015. As part of Altima, she collaborated with musician
Kotoko in performing the song "Plasmic Fire", which was used as the theme song to the 2016 anime film
Accel World: Infinite Burst. In 2016, Kurosaki played the role of Alisa Reinford in the premium 3D musical adaptation of
The Legend of Heroes: Trails of Cold Steel. During the Animelo Summer Live event in August 2016, Altima announced a hiatus from music activities. Her 11th single "Vermillion" was released on November 23, 2016; the song is used as the ending theme for the 2016 anime series
Drifters. Her tenth single "
Last Desire" was released on March 22, 2017; the title track is used as an opening theme to the 2016 anime television series
Rewrite, while the single's B-side track "Ignis Memory" is used as the theme song to the game
Rewrite IgnisMemoria. Later that year, she released a compilation album titled
Maon Kurosaki Best Album: M.A.O.N. Kurosaki's eleventh single "Decadence" was released on May 9, 2018; the title track is used as the ending theme to the anime series
Dances with the Dragons. Her twelfth single "Gravitation" was released on November 20, 2018; the title song will be used as the opening theme to the anime series
A Certain Magical Index III. She made her live-action acting debut in both 2018 and 2020 live-action films for
Blood-C anime,
Blood-Club Dolls 1 and
Blood-Club Dolls 2; she also performed the first film's theme song "Hazy Moon". Her thirteenth single "Roar" was released on March 6, 2019; the title track is used as the second opening theme to
A Certain Magical Index III. Her fourteenth single was released on March 13, 2019; the title song is used as the opening theme to the anime film
Grisaia: Phantom Trigger The Animation. She released her sixth album
Beloved One on June 19, 2019. She later formed the unit ALICes with
Sayaka Kanda; the two released the song "Icy Voyage" in November 2020. In 2021, Kurosaki went on a temporary hiatus after collapsing during an online live concert and being diagnosed with an
epidural hematoma. She released the single "More Strongly" on November 16, 2022; the title song was used as the ending theme to the anime series
Reincarnated as a Sword. ==Musical style and influences==