Bad boy

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This page is for the beatmania IIDX KONAMI original song Bad boy sung by Vivi. For the licensed Gloria Estefan song in jukebeat, please see Bad Boy.

Bad boy

Song Information

Artist: Vivi
Composition/Arrangement/Lyrics: K.Ueno
Vocals: vivi
BPM: 95
Length: 1:47 (game version), 2:00 (OST)
VJ: VJ GYO (illustrations by GOLI)
First Music Game Appearance: beatmania IIDX 2nd style
Other Music Game Appearances: None.



はじけてった愛のボルテージが いまいち上がりきれない
見上げてる空の雲行きさえ 少しだけ怪しい感じ

(for you)
素直になればなるほど あなたがわからなくなってく
(for your love)
夜が来るたびに心が震える そんな時はここにいてほしい

Bad boy baby 癒せない
そんなキスじゃ物足りない 傷つけてよ
特別なこと ねだってるわけじゃないよ
私だけを 見ててよ

(Do you gonna make me free?)

Song Connections / Remixes

  • The beatmania IIDX 3rd style Original Soundtracks version of Bad boy has a longer ending than the game cut.


  • Bad boy marks the first appearance of singer vivi in BEMANI.
    • It's also her only song with Keiichi Ueno.
  • Although from beatmania IIDX 2nd style, Bad boy does not appear on the beatmania maniac-tracks album with the other 2nd style KONAMI original songs. It instead appeared on the beatmania IIDX 3rd style Original Soundtracks album seven months later.
  • Bad boy received brand-new LIGHT charts in beatmania IIDX 4th style. The ANOTHER14 chart was moved down to 14KEY as well.
  • From beatmania IIDX 3rd style to beatmania IIDX 8th style, Bad boy's BPM was shown as 94 BPM.
  • According to Keiichi Ueno, he wanted to include both Shine On and Bad boy on Rewind!, but didn't due to Don Katsumoto's (ドン勝本) death in 2007, as he introduced both Shorai and vivi to Keiichi Ueno.

Song Production Information


This song, a Dance Pop song, has the most atmosphere of any song in its genre so far in IIDX. The lyrics, which are about a girl's crush, may seem a bit corny, but Keiichi Ueno didn't seem to mind. The song's lyrics are a favorite of GOLI's in our increasing repertoire of songs we've received so far.

Video Production Information


Difficulty & Notecounts

beatmania IIDX to 10th style difficulty rated from 1 to 7+ (up to 9th style) or 8 (10th style), from 1 to 8+ in IIDX RED, and from 1 to 12 from HAPPY SKY onwards. (Ratings and notecounts obtained respectively from IIDX Smart Data and

Original Charts

Game SP Difficulty DP Difficulty
Beginner Normal Hyper Another Normal Hyper Another
Notecounts 249 331 336 337
beatmania IIDX 2nd style→3rd style 3 3 N/A
beatmania IIDX 5th style→6th style 2 3 ↑4 N/A
beatmania IIDX 3rd style CS 3 3 3

New Charts

Game SP Difficulty DP Difficulty
Beginner Normal Hyper Another Normal Hyper Another
Notecounts 249 331 275 337
beatmania IIDX 4th style 2 3 2 4
beatmania IIDX 7th style→12 HAPPY SKY 2 3 2 4
beatmania IIDX 7th style CS 2 3 2 4