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Not to be confused with (or related to) the beatmania IIDX series of RENAISSANCE songs by D.J. Amuro, A, AA, F, and X.


Song Information

[E]'s jacket.

Artist: dj MAX STEROID
Composition/Arrangement/Lyrics/Vocals: dj MAX STEROID
BPM: 152
Length: 2:00
Jacket design: いそにん
First Music Game Appearance: jubeat copious
Other Music Game Appearances:


After three years,
I realized that I'm so into you [yeah]

Be with you, you make my day so bright and
satisfied guaranteed

When I wake up in the morning,
you were there with me and I'm so happy

You bring me lots of happiness and
I want to share that with you forever

Song Connections / Remixes

  • A long version of [E], titled [E] (Extended Mix), appears on the jubeat copious APPEND SOUNDTRACK album.
    • Another long version of [E], titled [E] -Extended Mix-, appears on Sota Fujimori's fourth album, SYNTHESIZED4.
  • [E] shares the "かっこいい~~" (kakkoii~~) sample with New Decade and New Decade IIDX Edition, songs also composed by Sota Fujimori.


  • [E] is one of the hidden songs in jubeat copious. It could be unlocked by getting an EXCELLENT on a Level 10 song.
    • In jubeat saucer, it can be unlocked via the bistro saucer unlocking event.
    • In jubeat saucer fulfill, it can be unlocked as part of saucer macchiato's Side Menu from April 23rd, 2014.
    • In jubeat prop, it can be unlocked by playing it as a BONUS TUNE from May 28th, 2015.
    • In jubeat Qubell, it is one of the Garnet unlocks of the dig dig Qubell unlocking system.
    • In jubeat clan, it can be unlocked in the jubeat SHOP.
    • In jubeat festo, it can be purchased at the emo MART.
  • [E] is read and sorted as "かっこいい" (kakkoii, or "cool / awesome"), from 括弧 (kakko, meaning "parentheses / brackets") and the pronunciation of the letter "E" ("いい").
  • [E] marks the first usage of Sota Fujimori's dj MAX STEROID alias outside of beatmania IIDX.
  • [E]'s jubeat charts were made by RAG.
  • [E] is unlocked in REFLEC BEAT limelight by reaching the first part of jubeat Glass Stage 2.
  • [E] was removed from jubeat saucer and later revived in the same game as part of saucer's song swap system. For further information on which dates was removed/revived, see this page.
  • [E] received a SPECIAL chart in REFLEC BEAT groovin'!! Upper on January 22nd, 2015. It could be purchased from the REFLEC Shop for 1500 Refle, after clearing the chart in the 2ND ROUND of the Cold Test (サムい検定) added on the same day.
    • In REFLEC BEAT VOLZZA, it could be purchased from the Garage for 8 VOLZZA KEYs.
    • In REFLEC BEAT VOLZZA 2, it could be unlocked by clearing its HARD chart a specific number of times, depending on the grade obtained on it (AAA+: 1 time, AAA: 2 times, AA: 3 times, A or lower: 5 times).
  • After being removed from the initial release of REFLEC BEAT 悠久のリフレシア, [E] was revived on May 18th, 2017.
  • [E] [ 2 ] is one of the unlocks of jubeat festo's T-emo STORE. It could be purchased with 100 T-emo from June 3rd to July 1st, 2019.
    • It could be purchased again with 50 T-emo from December 2nd, 2019 to January 6th, 2020, and from May 7th to July 6th, 2020.

Difficulty & Notecounts

jubeat to clan difficulty rated from 1 to 10, and 1 to 10.9 from festo onwards.
REFLEC BEAT to groovin'!! Upper difficulty rated from 1 to 10+, 1 to 13 in VOLZZA/VOLZZA 2, and 1 to 15 in 悠久のリフレシア. (Ratings and notecounts obtained from BEMANIWiki 2nd and jubeat@Wiki.)


Regular Charts

Game Level
Basic Advanced Extreme
Notecounts 455 715 842
jubeat copious→Qubell 6 8 10
jubeat clan 6 8 ↓9
jubeat festo→Present 6 8 9.6
jubeat plus 6 8 10
jukebeat 6 8 10
jubeat plus (Android) 6 8 10

[ 2 ] Charts

Game Level
Basic Advanced Extreme
Notecounts / Holds 339 / 16 502 / 31 782 / 40
jubeat festo→Present 4 7 9.7


Old Charts

Game Level
Basic Medium Hard Special
Notecounts 185 379 552 675
REFLEC BEAT limelight→groovin'!! 4 7 9 -
REFLEC BEAT groovin'!! Upper 4 7 9 10+
REFLEC BEAT plus 4 7 9 -
REFLEC BEAT + 4 7 9 -

New Charts

Game Level
Basic Medium Hard White
Notecounts 191 424 624 832
REFLEC BEAT 悠久のリフレシア 6 10 12 13