Aioria was an indies visual kei band from Tokyo, Japan, they started in June 2001 as a project of ミサ (Misa - ex-Da'vidノ使徒:aL, ex-Klein Kaiser) and the owner of the Loop Ash label, 未散 (Michiru - ex-L'yse:nore, 未散プロジェクト), they both played the guitar on Aioria, although Misa, besides of doing the majority of the guitar work, also played the keytar, did side-vocals and even played the bass sometimes when there wasn't any bassist in the band. He also did all the programming work, aswell as being the composer of all the songs.
The other members were sarino on vocals and 大城 (Hiroki) on drums, both also ex-members of 未散プロジェクト, and initially Kazu played bass, although he only recorded the first 2 demo tapes with the band and left to join 蜉蝣.
All the bass work in studio after Kazu left was done by the old Misa bandmate REN (ex-Da'vidノ使徒:aL, pleur), who also did support for them live.
Later bassist 和矛 (Kazutake, ex-Laissez Faire) joined as support for lives during the last days.
They got to release 4 demo tapes, a full album with newly recorded versions of the songs in the demos plus 2 new songs, and some video footage.
Aioria disbanded in August 2nd, 2002 at their 2nd oneman live.
Nowdays Misa is in バビロン, sarino in ＴＩＮＣ, Hiroki went to D and Kazutake to ガイズファミリー.
REN is now in Ｃ４, and as for Michiru, he said he would retire from the musical scene after his work in MASK and just keep working producing bands in Loop Ash, although has recently formed a new session band called キテる！BAND

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