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Asriel was a Japanese metal^[1] band composed of Kurose Keisuke (composer and representative) and KOKOMI (vocal and lyrics). They were an indie group and have released 10 indie albums and 4 commercial singles. They started out releasing their music in the doujin scene, but have since also had their music used for anime and visual novels.^[2]

The band members KOKOMI and Kurose Keisuke became acquaintances as members of LMINA Sound Art's (now known an AZE:LC). They formed their own band in May 2006, with the name written "as + real" to form as "Asriel", the origin of the group name, which is also a reference to the Islamic angel "Azrael". Kurose has stated that at the time of the band's formation, he did not know how to play musical instruments. Instead, he composed the instrumentals usingdigital audio workstation software.^[3]

Asriel's activities started with participation inComiket and the Music Media-mix Market (M3) events where they solddōjinshi music albums. In April 2008, Asriel composed the song "Metamorphose" that was used for theanime adaptation ofMonochrome Factor, song that was released as amaxi single and was their first work produced by a major label,5pb.^[4]

In the same year, Asriel provided music for thevisual novel11eyes, composing the ending theme "Kegare Naki Yume" (穢れ亡き夢) for the game.^[5] This trend would continue in the year 2009, with the song "Tsuioku no Chikai" (追憶の誓い) used for11eyes CrossOver^[6] and "Sequentia" for the anime adaptation of11eyes.^[7]

On December 30, 2009, Asriel released a new single titled "Devils Lullaby" duringComiket 77 in a specially shaped CD. However, the CD became difficult to sell and had to be recalled. The shape of the CD was changed back to the normal round shape on January 17, and it launched again. Since the special shape CD is no longer in circulation, it is difficult to obtain.

On June 6, 2015, Asriel disbanded following their final concert atShibuya O-East.^[8] Since Asriel's dissolution, Kurose went on to formElfensjón in 2018. As of 2024, KOKOMI has continued to release music as MISLIAR.^[9] She collaborated withFate Gear on their singleWinds of Fall, which released on November 29, 2023.^[10]

• KOKOMI (born September 2, 1989) - vocals, chorus, and lyric writing.
• Keisuke Kurose (黒瀬　圭亮,Kurose Keisuke) - guitar, keyboards, composition, arrangement and lyric writing.^[11]

Source:^[12]

• 影縫い（CD『Cinderella of magic』 - 廃盤）
• Endless Waltz（CD『POLYCHROMA』 - 廃盤）（CD『POLYCHROMA re-distribution』 - とらのあな・あきばお〜 にて販売）
• Aeon（CD『-LEIRION-』 - 廃盤）
• 黒き粉雪の記憶（CD『Winter Mix vol.5』（CD『ALL SEASON MIX BEST』に再録） - とらのあなにて販売）
• 蒼月を巡る旋律（CD『Festa!』 - メロンブックス・アニメイト・ゲーマーズ・あきばおー・メッセサンオー・Amazon.co.jpにて販売）
• 淡い風に抱かれて（CD『空想RPG！』 - とらのあな・メロンブックス・アニメイト・ゲーマーズ・あきばおー・メッセサンオー・Amazon.co.jpにて販売）
• 猩紅のMirage（CD『ALL SEASON MIX BEST』 - とらのあなにて販売）
• 翡翠のMoment（CD『SUMMER VACATION』 - メロンブックスにて販売）

• Asriel official website(in Japanese)
• J-Asriel Land

• Japanese gothic metal musical groups
• Japanese rock music groups
• Male–female musical duos

• CS1 Japanese-language sources (ja)
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• Short description matches Wikidata
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