Asuka Ōkura

, also known by the stage name Asca (stylized in all caps), is a Japanese singer and musician signed to Sony Music and Sacra Music. She became interested in singing after listening to the song "I believe" by Ayaka, and songs by BoA and Dreams Come True. Although she did not win the contest, as a finalist, Ōkura was offered a one-year contract with music label Media Factory. After a year had passed and as the contract was about to expire, it was decided that she would make her music debut. the title song is used as the second ending theme to the anime television series The Pet Girl of Sakurasou. The following year, she moved to the record label Sacra Music and began using the stage name Asca. Her next release was the song "Rust", which was included in the August 2017 issue of LisAni magazine.

Asca's third single "Pledge" was released digitally on February 16, 2018, and received a physical release on February 21, 2018; the song is used as the ending theme of anime Record of Grancrest War Her fourth single was released digitally on May 4, 2018, and received a physical release on May 9, 2018; the song is used as the second opening theme of anime Record of Grancrest War She released three collaborated singles with Ayasa, with Kanon Wakeshima, and "Suspected, Confused and Action" with Boku no Lyric no Boyomi digitally on September 24, 2018, October 29, 2018, and November 30, 2018, respectively.

Asca's fifth single "Resister" was released digitally on January 13, 2019 and received a physical release on February 27, 2019; the song "Resister" was used as the second opening theme for the anime Sword Art Online: Alicization, while the song "Mirage" was used as the theme song for the VR game Tokyo Chronos. ASCA is featured on Hiroyuki Sawano's song "Unti-L", under the name "SawanoHiroyuki[nZk]:ASCA"; the track appears on Sawano's album "R∃/MEMBER". Her sixth single "Rust/Hibari/Kōbō" was released on September 4, 2019. "Hibari" was released digitally on July 14, 2019, and is used as the ending theme to the anime series The Case Files of Lord El-Melloi II, while "Kōbō" is used as the insert song of VR game Tokyo Chronos.

Asca released her first album titled on November 6, 2019. The album included her song that was used as the opening theme song in the game Sword Art Online: Alicization Rising Steel. Her seventh single "Chain" was released digitally on January 18, 2020 and received a physical release on February 26, 2020; the title track is used as the opening theme to the anime series Darwin's Game. She collaborated with Takanori Nishikawa in performing the song that was released on May 27, 2020; the song is used as the opening theme in the anime series White Cat Project: Zero Chronicle.

Asca's eighth single "Howling" was released digitally on October 4, 2020, and was released November 4, 2020; the title track is used as the opening theme to the second season of the anime series The Irregular at Magic High School. The single itself includes a cover of Garnidelia's second single "Grilletto," which was used as the second opening of the first season of the same anime. Asca also performed the ending theme song of the second season of the anime series Edens Zero; the song, "Rinne", was released as a single on April 2, 2023. Later that year, she sang the song , which was used as the opening theme to the anime series Butareba: The Story of a Man Turned into a Pig. In 2024 she sang the song , which was used as the third ending theme to the third season of The Irregular at Magic High School. She also performed the songs "Faceless" and , which were used as the opening themes to the anime series Bye Bye, Earth and Demon Lord, Retry! R respectively.

Discography As Asuka Ōkura Mini albums Title Details Days (Indies)Released: December 21, 2016 Format: Digital download

Singles Title Details Peak Oricon chart positions Released: February 27, 2013 40

As ASCA Albums Title Details Peak Oricon chart positionsReleased: November 6, 2019 Label: Sacra Music (VVCL-1525, VVCL-1527, VVCL-1529) Format: CD, CD+BD 11

Extended plays Title Details Peak Oricon chart positions Released: January 26, 2022 Label: Sacra Music (VVCL-1999, VVCL-2000, VVCL-1997) Format: CD, CD+BD 28

Singles Title Details Peak Oricon chart positions Album"Rust"Released: August, 2017— "KOE" (Voice)Released: November 22, 2017 33 "Pledge"Released: February 21, 2018 92 Released: May 9, 2018 44 "Resister"Released: February 27, 2019 14 Released: September 4, 2019 20 "Chain"Released: February 26, 2020 26 "Howling"Released: November 4, 2020 20 "Carpe Diem / Villain"Released: June 2, 2021 25 "Rinne"Released: April 26, 2023 36 "Watashi ga Warau Wake ha"Released: November 15, 2023 43 "—" denotes releases that were ineligible to chart.

Digital singles

Collaboration singles Title Details Peak Oricon chart positions Album (with Takanori Nishikawa)Released: May 27, 2020 7 (with FictionJunction, Eir Aoi, ReoNa)Released: October 28, 2022 —

Guest appearances Title Year Album Artist "Unti-L" 2019 R∃/MEMBER SawanoHiroyuki[nZk]