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Overview

ナイトメア☆パーティーナイト (Nightmare☆Party Night) is a VOCALOID track by くちばしP (Kuchibashi-P) featuring Hatsune Miku, originally released on the 2009 album 賽華 (Saika). The song blends a festive, Japanese matsuri (festival) atmosphere with electronic pop production, a contradiction hinted at in its title, which pairs the dark "nightmare" with the celebratory "party night." Lyrical imagery of blades reflecting moonlight, firefly-lit processions, fireworks, and scattered paper streamers reinforces this tension between haunting and carnivalesque themes. The song was added to maimai FiNALE on January 11, 2019, alongside its Re:Master chart, and was carried forward through all subsequent DX versions. It originally shipped with an Easy chart (level 3) in FiNALE, which was retired when the game transitioned to the DX format, leaving five standard charts from Basic through Re:Master. Over successive updates, every chart saw at least one level adjustment, with the Re:Master chart climbing from an initial 11+ to its current 12+ in the BUDDiES era. The jacket artwork is a screenshot taken from the music video used in SEGA's 初音ミク Project DIVA Arcade, and the in-game video draws from the same source.

Videos

Re:MASTER chart

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Master chart

Open

Expert chart

Open

Master chart

Open

Re:MASTER chart

Open

Charts

STD

BASIC
5(5)
246 notesDesigner: -|Tap 205Hold 22Slide 10Break 9
ADVANCED
8(8)
419 notesDesigner: -|Tap 338Hold 42Slide 13Break 26
EXPERT
11(11)
560 notesDesigner: 某S氏|Tap 415Hold 75Slide 50Break 20
MASTER
11+(11.6)
693 notesDesigner: 緑風 犬三郎|Tap 515Hold 11Slide 162Break 5
Re:MASTER
12+(12.8)
695 notesDesigner: 華火職人|Tap 468Hold 82Slide 97Break 48

Trivia

  • The song was originally released on Kuchibashi-P's 2009 album 賽華 (Saika), a title that appears in the lyrics as a wordplay, 賽華 combines the kanji for 'dice' (賽) and 'flower' (華), evoking themes of chance and ephemeral beauty.
  • In maimai FiNALE, the song initially had six standard difficulties including an Easy chart (level 3, 173 notes). The Easy chart was removed upon the transition to maimai DX and is no longer accessible in current versions.
  • The jacket art is a direct screenshot from the music video rendered in SEGA's 初音ミク Project DIVA Arcade, tying the song's visual presentation to that crossover title despite the song itself not appearing as a playable track in other rhythm games.
  • Each of the three highest-difficulty charts was designed by a different notes designer: Expert by 某S氏 (Bou S-shi), Master by 緑風 犬三郎 (Midorikaze Inusaburō), and Re:Master by 華火職人 (Kanon Oguni). The Re:Master chart is the highest-leveled of the three, reaching 12+ as of the BUDDiES version.
  • The Master chart is notable for its extreme slide-note count, 162 slides out of 693 total notes, making it one of the most slide-heavy charts in its level range. Conversely, it has only 11 Hold notes and 5 Break notes, creating an unusual distribution profile.
  • In Asian English-localized versions of maimai, the song is listed as 'Nightmare Party Night' by 'Kuchibashi P'.
  • The song runs 2 minutes and 27 seconds in length, placing it in the mid-length range for standard maimai tracks.

FAQ

Who composed ナイトメア☆パーティーナイト?
The song was composed, arranged, and written by くちばしP (Kuchibashi-P). It features vocals by Hatsune Miku.
What is the BPM of ナイトメア☆パーティーナイト?
The song has a BPM of 175.
What version of maimai added ナイトメア☆パーティーナイト?
It was added to maimai FiNALE on January 11, 2019, and has been carried forward through all subsequent DX versions.
Who designed the charts for ナイトメア☆パーティーナイト?
The Expert chart was designed by 某S氏, the Master chart by 緑風 犬三郎, and the Re:Master chart by 華火職人.
What does the song title ナイトメア☆パーティーナイト mean?
It translates to 'Nightmare☆Party Night', a juxtaposition of a frightening nightmare with a celebratory party, reflected in the song's contrast between dark lyrical imagery and upbeat festival music.
Did ナイトメア☆パーティーナイト appear in other rhythm games?
No, maimai is the only rhythm game to feature this song as a playable track. However, its music video and jacket art originated from 初音ミク Project DIVA Arcade.
What difficulty level is the Re:Master chart of ナイトメア☆パーティーナイト?
The Re:Master chart is rated level 12+ with a difficulty constant of 12.8 (as of the BUDDiES version and later). It was originally 11+ in FiNALE and has been rebalanced upward over several updates.