ιδεα forms.
First live is held at Hiroshima (広島) NEOPOLIS HALL (ネオポリスホール).
V. Keisuke / G. niso / G. Tetsumaro / B. Mitsuru
Vocalist Keisuke secedes.
G. niso / G. Tetsumaro / B. Mitsuru
Vocalist shida and drummer YU-KA join.
V. shida / G. niso / G. Tetsumaro / B. Mitsuru / D. YU-KA
YU-KA officially secedes after live at Hiroshima (広島) NEOPOLIS HALL (ネオポリスホール), but continues acting as support drummer.
Weltraum / 汚れた聖者 / 終わり無き戯曲 / Creast Love / パルテノン / myself / White Color
V. shida / G. niso / G. Tetsumaro / B. Mitsuru / Support D. YU-KA
Bassist Mitsuru secedes. ιδεα pauses activity.
V. shida / G. niso / G. Tetsumaro / Support D. YU-KA
ιδεα pauses activity
Bassist Junzo joins and ιδεα revives.
V. shida / G. niso / G. Tetsumaro / B. Junzo / Support D. YU-KA
Weltraum / 汚れた聖者 / not ~古より~ / υαοξ(パルテノン) / Creast Love / White Color
Support drummer officially joins and changes name to Yu-ra.
V. shida / G. niso / G. Tetsumaro / B. Junzo / D. Yu-ra.
Last live is held at Hiroshima (広島) NAMIKI JUNCTION (ナミキジャンクション).
not ~古より~ / υαοξ / wish / フィクショナライズ / 汚れた聖者
ιδεα disbands