Overview
Backyun! －悪い女－ (Backyun! -Warui Onna-, localized as "BAD GIRL" in Asian English releases) is an original song from the maimai series, composed by SEGA music creator Chihiro Aoki (青木千紘) and performed by vocalist Manami (愛海). It joined the maimai GreeN songlist at launch on July 11, 2013, initially unlockable through 20,000 maimile before becoming freely available from maimai ORANGE onward.
The track blends a Middle Eastern-flavored exotic intro with crisp, adult-oriented techno production underpinned by an R&B groove. Its lyrics cast the listener in a game of romantic espionage, a "bad girl" spy who steals hearts and minds, with the onomatopoeic gunshot "Backyun!" (ばっきゅん) punctuating the chorus. Aoki has described the song as the thematic follow-up to BaBan!! －甘い罠－ (BaBan!! -Amai Wana-), forming a loose diptych of spy-themed maimai originals.
Backyun! －悪い女－ has evolved considerably over maimai's version history. Its Master chart, originally a level 10 in GreeN, has been revised upward multiple times to its current 12+ rating, and a Re:Master chart (level 13) was added in October 2020 as part of the maimai ALL PERFECT COLLECTION celebration. In Asian English cabinets, the song is displayed as "BAD GIRL" with the artist credit Chihiro Aoki / Manami.
Videos
Charts
STD
BASIC
4(4)
125 notesDesigner: -|Tap 106Hold 9Slide 5Break 5
ADVANCED
7(7)
261 notesDesigner: -|Tap 222Hold 3Slide 10Break 26
EXPERT
11+(11.6)
357 notesDesigner: はっぴー|Tap 278Hold 35Slide 40Break 4
MASTER
12+(12.7)
451 notesDesigner: ニャイン|Tap 349Hold 35Slide 41Break 26
Re:MASTER
13(13.3)
559 notesDesigner: Jack|Tap 396Hold 42Slide 90Break 31
Trivia
- Composer Chihiro Aoki is a SEGA music creator best known for contributing to the soundtracks of Ryu ga Gotoku Ishin! and Ryu ga Gotoku 5, where he crafted Japanese-traditional arrangements, a stylistic contrast to the sleek techno sound of Backyun!.
- The title "Backyun!" is Japanese onomatopoeia for a gunshot (ばっきゅん), and the lyrics play on this throughout the chorus. The full title translates roughly to "Backyun!, Bad Woman."
- Aoki considers Backyun! －悪い女－ the thematic second installment following BaBan!! －甘い罠－ (BaBan!! -Amai Wana-), with both songs revolving around a romantic spy narrative.
- In maimai GreeN, the song required 20,000 maimile to unlock. Starting with maimai ORANGE on September 18, 2014, it became available by default with no purchase needed.
- The Re:Master chart was added on October 30, 2020 (April 23, 2021 in Asian regions) to celebrate the release of the maimai ALL PERFECT COLLECTION soundtrack album.
- In Asian English-language versions of maimai, the song is relabeled "BAD GIRL" with the artist credit changed to Chihiro Aoki / Manami, dropping the Japanese title entirely.
- Vocalist Manami (愛海) alternates between cute, bright high tones and sultry mid-range passages, with heavy vocal effects and filtering applied throughout the mix to create a tricky, playful vocal delivery.
- The jacket art adopts a comic-book illustration style, described in the maimai ALL PERFECT COLLECTION booklet as evoking an overseas comic aesthetic with a mysterious, story-driven atmosphere.
- The song has undergone multiple level revisions across versions: the Master chart started at level 10 in GreeN and has climbed to 12+ by UNiVERSE+, while the Expert chart moved from 9 to its current 11.
FAQ
- Who composed Backyun! －悪い女－?
- The song was composed, arranged, and written by Chihiro Aoki (青木千紘), a SEGA music creator known for his work on the Ryu ga Gotoku (Yakuza) series.
- Who sings Backyun! －悪い女－?
- The vocals are performed by Manami (愛海), who delivers the track with a mix of cute high tones and sultry mid-range passages.
- What does the title Backyun! －悪い女－ mean?
- "Backyun!" (ばっきゅん) is the Japanese onomatopoeia for a gunshot. The full title translates to "Backyun!, Bad Woman," reflecting the song's spy-themed narrative about a dangerous, seductive female agent.
- When was Backyun! －悪い女－ added to maimai?
- It debuted on July 11, 2013 in maimai GreeN, the first major version of the game. It initially required 20,000 maimile to unlock but became freely available from maimai ORANGE (September 2014) onward.
- Is Backyun! －悪い女－ related to any other maimai songs?
- Yes, it is thematically linked to BaBan!! －甘い罠－ (BaBan!! -Amai Wana-). Composer Chihiro Aoki describes Backyun! as the "second installment" following BaBan!!, with both songs sharing a romantic spy motif.
- Why does Backyun! －悪い女－ have different titles in different regions?
- In Asian English-language versions of maimai, the song is displayed as "BAD GIRL" with the artist listed as Chihiro Aoki / Manami. The Japanese title and artist credit are retained only in Japanese-region cabinets.
- When was the Re:Master chart for Backyun! －悪い女－ added?
- The Re:Master chart (level 13, constant 13.3) was added on October 30, 2020 in Japan and on April 23, 2021 in Asian regions, celebrating the release of the maimai ALL PERFECT COLLECTION soundtrack album.
- Who designed the charts for Backyun! －悪い女－?
- The Expert chart was designed by はっぴー (Happy), the Master chart by ニャイン (Nyain), and the Re:Master chart by Jack. The Basic and Advanced charts have no credited designer.
External Links
Related Songs
Garakuta Doll Play
t+pazolite
69131414+
GreeN (超)
System “Z”
Jimmy Weckl
6912+1414
GreeN (超)
LUCIA
SHIKI
57121313+
GreeN (超)
Death Scythe
SHIKI
58+1213+14
GreeN (超)
BREAK YOU!!
A-One
571113+
GreeN (超)
JUMPIN' JUMPIN'
SOUND HOLIC feat. Nana Takahashi
4811+13
GreeN (超)
L'épilogue
SOUND HOLIC feat. Nana Takahashi
5811+13+
GreeN (超)
記憶、記録
LOPIT(SEGA)
491113+14
GreeN (超)