Due to a mistranslation and mis-romanization of this blog article, it has been alleged by some sources that this band's lineup was comprised of Memento-Mori (メメント・モリ) members. That is incorrect—the band in question was actually VENOM (ヴェノム).
Nameless continuous session band is formed by Haduki (葉月) and Lay (怜) in Tokyo (東京)東京.
The nameless session band changes its name to Artemis (アルテミス).
Vocalist Lay (怜) changes his name to Ayumu (歩). KOU (コウ) and MASAKI (マサキ) begin as support guitar and support bass, respectively.
V. Ayumu (歩) / G. Haduki (葉月) / Support G. KOU (コウ) / Support B. MASAKI (マサキ)
Kei (圭) begins as support drummer.
V. Ayumu (歩) / G. Haduki (葉月) / Support G. KOU (コウ) / Support B. MASAKI (マサキ) / Support D. Kei (圭)
First live is held.
Vocalist Ayumu (歩) secedes and retires. Guitarist Haduki (葉月) vows to continue the session with support vocalists.
Support V. ? / G. Haduki (葉月) / Support G. KOU (コウ) / Support B. MASAKI (マサキ) / Support D. Kei (圭)
Live is held. It's unclear if the band secured a support vocalist or performed without vocals.
After being persuaded by Haduki (葉月), vocalist Ayumu (歩) un-retires and re-joins the band.
V. Ayumu (歩) / G. Haduki (葉月) / Support G. KOU (コウ) / Support B. MASAKI (マサキ) / Support D. Kei (圭)
Support members KOU (コウ), MASAKI (マサキ), and Kei (圭) secede.
V. Ayumu (歩) / G. Haduki (葉月)
ARUTEMA (アルテマ) pauses activity
Tubasa (つばさ) begins as support guitarist and Kou (功) begins as support bassist.
V. Ayumu (歩) / G. Haduki (葉月) / Support G. Tubasa (つばさ) / Support B. Kou (功)
Support guitarist Tubasa (つばさ) seemingly secedes at this time.
Ultima pauses activity
Ultima revives.
Support bassist Kou (功) officially joins.
V. Ayumu (歩) / G. Haduki (葉月) / ?. Kou (功)
Vocalist Ayumu (歩) announces via his blog that he will secede.
Guitarist Haduki (葉月) announces via his blog that the secession Ayumu (歩) means that Ultima has essentially disbanded. He also states that, because he “always envisioned this as his last band,” he will retire.
Ultima disbands
Ultima was a visual kei continuous session in Tokyo. They were active from 2009 to 2011 and are now disbanded.