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Overview

悪戯 (Itazura) is a maimai original song that arrives as part of the Kotonoha Project (言ノ葉Project), a multimedia music-and-story initiative. The track was composed and arranged by Hidekazu Tanaka of MONACA, a studio renowned for anime and game soundtracks, with lyrics written by uRy and vocals performed by Lon (ろん), a singer and Vocaloid producer active on niconico. The title translates to "mischief" or "prank," a tone echoed in the song's playful, adventurous lyrics and energetic pop-rock arrangement. Added to maimai in the ORANGE PLUS version on April 16, 2015, 悪戯 has remained a staple original track across regions (Japan, international, USA, and China). Its four standard-difficulty charts span Basic through Master, with the Expert chart designed by はっぴー (Happy) and the Master chart by rioN. The Master chart has undergone notable level adjustments over the game's version history, originally a level 11 in ORANGE PLUS, it climbed as high as level 13 in UNiVERSE PLUS before stabilizing at 12+ from FESTiVAL onward. The song also crossed over into CHUNITHM, first appearing in CHUNITHM AIR PLUS through a limited-time event and later becoming a permanent part of the rhythm game's lineup.

Videos

Master chart

Open

Expert chart

Open

Charts

STD

BASIC
5(5)
207 notesDesigner: -|Tap 191Hold 5Slide 6Break 5
ADVANCED
7(7)
294 notesDesigner: -|Tap 227Hold 25Slide 19Break 23
EXPERT
10(10)
454 notesDesigner: はっぴー|Tap 385Hold 37Slide 15Break 17
MASTER
12+(12.9)
714 notesDesigner: rioN|Tap 557Hold 62Slide 69Break 26

Trivia

  • 悪戯 is Chapter 1, Episode 2 of the Kotonoha Project (言ノ葉Project), a story-driven music project that spans multiple rhythm games.
  • Composition and arrangement were handled by Hidekazu Tanaka (MONACA), whose credits include numerous anime and game soundtracks. Lyrics were written by uRy.
  • The vocals are performed by Lon (ろん), a singer and Vocaloid producer known for her original songs and covers on niconico.
  • The jacket art and music video were created by Kotaro Yamazaki (yama_ko).
  • In Asian English versions of maimai, the song title was romanized as Itazura and the artist as Lon×Hidekazu Tanaka(MONACA).
  • The song also appears in CHUNITHM, first added to CHUNITHM AIR PLUS via a limited-time event and MAP (August 2017), then permanently unlocked from CHUNITHM STAR PLUS onward. A WORLD'S END chart was added in CHUNITHM STAR PLUS in May 2018.
  • The Master chart, designed by rioN, originally debuted at level 11 in maimai ORANGE PLUS and has been rebalanced multiple times across versions, reaching as high as level 13 before settling at 12+.
  • The Expert chart, designed by はっぴー (Happy), has also seen level adjustments over versions, ranging from 8+ to 10.
  • The song's in-game genre category has shifted across maimai versions: classified as ORIGINAL in ORANGE PLUS, ORIGINAL & JOYPOLIS from PiNK to FiNALE, and maimai in the DX era.
  • The song runs 2 minutes and 4 seconds in length.
  • A niconico upload of the official music video for 悪戯 is available at sm24947647.

FAQ

Who composed and arranged 悪戯 (Itazura)?
The song was composed and arranged by Hidekazu Tanaka of MONACA, with lyrics written by uRy.
Who is the vocalist for 悪戯 (Itazura)?
The vocals are performed by Lon (ろん), a Japanese singer and Vocaloid producer active on niconico.
What is the Kotonoha Project?
The Kotonoha Project (言ノ葉Project) is a multimedia music-and-story project spanning rhythm games like maimai and CHUNITHM. 悪戯 serves as Chapter 1, Episode 2 of its first season.
Which maimai version added 悪戯 (Itazura)?
悪戯 was added in maimai ORANGE PLUS, released on April 16, 2015.
What difficulty is the Master chart of 悪戯 (Itazura)?
The Master chart is rated level 12+ with a difficulty constant of 12.9, designed by rioN. It contains 714 total notes.
Does 悪戯 (Itazura) appear in other rhythm games?
Yes, the song also appears in CHUNITHM, where it was first added in CHUNITHM AIR PLUS through a limited-time event and later made permanently available.
What does the title 悪戯 mean?
The Japanese word 悪戯 (itazura) translates to mischief or prank in English.

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