COLOREAL ZPT is formed in Osaka (大阪)大阪 by vocalist Ito Youji (伊藤 陽史) and drummer Nishiguchi Shougo (西口 昇吾).
Formation celebration first oneman, やてまえ!!ゼプト!! (やてまえ!!ゼプト!!), is held at Sennichimae (千日前) CRUST. All tickets sell out, and the livehouse's attendance record is broken.
Bassist Nishimura Toru (西村 透) secedes, due to personal reasons.
Muneishi Keisuke (宗石 啓介) [ex-SCRYD] begins as support bassist.
COLOREAL ZPT restarts activities.
Bassist Muneishi Keisuke (宗石 啓介) officially joins.
Single release celebration Osaka-Tokyo-Nagoya tour, Tsukinukeru! ZPT! 2003 (突き抜けろ!ゼプト! 2003), begins.
Tour final, Dasshu~DASH~ Vol.1 (奪取~ダッシュ~ Vol.1), is held.
Guitarist secedes.
Yoshida RYOU (吉田 リョウ) [ex-1METER] joins as guitarist.
Tour KIMI NO HIKARI ga Demashita (キミノヒカリが出ました) begins.
Drummer G.O.D and bassist Nishida Misaki (西田 岬) join.
Tour final oneman, Yatemae! Zetsufuuto! (やてまえ!絶風斗!), is held at Minamihorie (南堀江) knave.
COLOREAL ZPT restarts activities.
COLOREAL ZPT appears on radio channel FM85.1.
Sponsored event, [MISSION TO WILD], is held.
COLOREAL ZPT vs HYBRID FREAKS co-sponsored two-day live event, [STYLE OF EXTREME PRIDEZ], is held.
Tour S・D・W・K begins.
Tour final sponsored event, [MISSION TO WILD] Ver.2, is held at Minamihorie (南堀江) knave.
Drummer G.O.D breaks his finger before a live, and has to play one-handed for several shows.
COLOREAL ZPT is featured artist at nationwide convenience store MiniStop, through 2005-11-30.
Twoman with BARBELL (バーベル), [MISSION TO WILD] Ver.3, is held.
Threeman is held at Minamihorie (南堀江) knave.
Sponsored event, [MISSION TO WILD] Ver.4, is held at Minamihorie (南堀江) knave.
Guitarist Yoshida RYOU (吉田 リョウ) suddenly passes away. COLOREAL ZPT vows to continue as a 3-member band.
COLOREAL ZPT announces that they will move activities to Tokyo (東京)東京 after their 2016-05-31 live.
Two-day sponsored event and memorial for deceased guitarist Yoshida RYOU (吉田 リョウ), [Rinkiouhen] ~Osakahen~ [MISSION TO WILD] Ver.5 ([臨機応変] ~大阪編~ [MISSION TO WILD] Ver.5), is held at Minamihorie (南堀江) knave.
Two-day sponsored event and memorial for deceased guitarist Yoshida RYOU (吉田 リョウ), [Rinkiouhen] ~Kyotohen~ [Summer Dream] ([臨機応変] ~京都編~ [Summer Dream]), is held at Esaka (江坂) MUSE.
Sponsored event, GO! GO! ROCKET PARTY, is held at Shibuya (渋谷) DESEO.
Sponsored event in memorial of the anniversary of Yoshida RYOU's death is held at KYOTO MUSE. On this day, COLOREAL ZPT changes their name to ZPT (ゼプト). (Note: since there was almost no activity as ZPT, I have not changed their name in the database.)
The band holds its first live as ZPT.
COLOREAL ZPT performs (under original name) for the first time in a year, with support guitarist Miyaji YASUAKI (宮路 ヤスアキ). Although the band makes no announcements about their activity, they never perform again.
COLOREAL ZPT unofficially ends activities
COLOREAL ZPT is an active non-vkei band in Osaka. They have been active since around 2002.