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Overview

"Youkoso Japari Park e" (ようこそジャパリパークへ, "Welcome to the Japari Park") is the opening theme song of the first season of the television anime series Kemono Friends (けものフレンズ). The track was composed, arranged, and lyricized by Masayoshi Ooishi and performed by the in-universe idol groups Doubutsu Biscuits (Serval, Fennec, and Araiguma) and PPP (a quintet of penguin-themed characters), with each character voiced by their respective cast members. The song was released as a single in 2017 and quickly became synonymous with the series' sudden cultural breakout in Japan.

The song made its rhythm-game debut in Sega's CHUNITHM STAR before arriving in maimai MiLK on December 14, 2017. In maimai, it received both Standard and DX chart families, with the Standard charts receiving a Re:MASTER difficulty added during the FiNALE era on December 25, 2018. Due to licensing restrictions, the song has never been available outside Japan on any maimai cabinet, though an unused Asian English localization titled "Welcome to the Japari Park" exists in the game data from the FiNALE era. The track's upbeat, catchy chorus and cheerful arrangement have made it a beloved pick among fans of the franchise and a recognizable staple of the POPS & ANIME genre in maimai.

Videos

Official PV

Open

Re:MASTER chart

Open

Master chart

Open

Master chart

Open

Expert chart

Open

Expert chart

Open

Charts

DX

BASIC
4(4)
129 notesDesigner: -|Tap 110Hold 1Slide 3Touch 14Break 1
ADVANCED
7(7)
284 notesDesigner: -|Tap 250Hold 13Slide 5Touch 9Break 7
EXPERT
9(9)
360 notesDesigner: 華火職人|Tap 299Hold 17Slide 15Touch 17Break 12
MASTER
11+(11.6)
507 notesDesigner: はっぴー|Tap 351Hold 29Slide 75Touch 45Break 7

STD

BASIC
5(5)
170 notesDesigner: -|Tap 154Hold 6Slide 4Break 6
ADVANCED
7+(7.6)
282 notesDesigner: -|Tap 229Hold 24Slide 13Break 16
EXPERT
9+(9.6)
391 notesDesigner: ロシェ@ペンギン|Tap 284Hold 33Slide 47Break 27
MASTER
12(12.5)
512 notesDesigner: 某S氏|Tap 371Hold 21Slide 79Break 41
Re:MASTER
12+(12.9)
505 notesDesigner: はっぴー|Tap 342Hold 24Slide 109Break 30

Trivia

  • Youkoso Japari Park e was composed, arranged, and written by Masayoshi Ooishi, who is also known for his work on other anime theme songs and his involvement in the doujin music scene.
  • The vocal lineup draws from two fictional idol units within the Kemono Friends universe: Doubutsu Biscuits (Serval, Fennec, Araiguma) and PPP (a five-member penguin group named after real penguin species, Iwatobi, Humboldt, Royal, Koutei, and Gentoo).
  • The song made its arcade rhythm-game debut in CHUNITHM STAR before arriving in maimai MiLK about two weeks later on December 14, 2017.
  • DX charts for the song were added in maimai でらっくす on July 11, 2019, nearly a year and a half after the Standard charts debuted.
  • The Standard Re:MASTER chart was added on December 25, 2018, as part of the maimai FiNALE update and was designed by はっぴー (Happy).
  • An unused Asian English title, 'Welcome to the Japari Park,' exists in the game data from the maimai FiNALE era but was never officially deployed on cabinets outside Japan.
  • Due to licensing issues, the song is region-locked to Japanese cabinets in all maimai versions, meaning international players cannot access it on standard releases.
  • The DX Master chart (level 11+ / constant 11.6) was designed by はっぴー and features a notably high Slide-note count of 75, characteristic of the designer's style.
  • The Standard Master chart was designed by 某S氏 (Bou S shi) and carries a level 12 / constant 12.5, placing it among the more demanding charts in the MiLK-era Standard lineup.
  • The DX Expert chart was designed by 華火職人 (Kanon Oguni), a notes designer known for their work across multiple Sega rhythm games.
  • The Standard Expert chart was designed by ロシェ@ペンギン (Rocher@penguin), who also contributed charts for this song in CHUNITHM and オンゲキ.
  • A set of unlockable in-game titles were tied to the song in maimai DX, including 'ここすき' (now unobtainable) earned by playing the song alongside two other Kemono Friends tracks in one credit.
  • The title 'ようこそジャパリパークへ' features a pun on 'Japari' (ジャパリ), a fictional theme park name in the series that plays on the Japanese word for 'Japan' (日本, Nihon) and the English 'Japan.'
  • The song's BPM of 170 is consistent across all three Sega rhythm games that feature it: maimai, CHUNITHM, and オンゲキ.
  • The Standard Advanced and Expert charts underwent multiple level adjustments across maimai DX versions, receiving bumps in UNiVERSE PLUS and BUDDiES PLUS respectively, reflecting community skill progression.

FAQ

Who composed Youkoso Japari Park e for maimai?
The song was composed, arranged, and lyricized by Masayoshi Ooishi. It was performed by the Kemono Friends voice-actress units Doubutsu Biscuits and PPP.
What anime is Youkoso Japari Park e from?
It is the opening theme song for the first season of the anime series Kemono Friends (けものフレンズ), which aired in 2017.
When was Youkoso Japari Park e added to maimai?
The Standard charts debuted in maimai MiLK on December 14, 2017. DX charts followed in maimai でらっくす on July 11, 2019. The Re:MASTER chart was added on December 25, 2018 during the FiNALE era.
Is Youkoso Japari Park e available outside Japan in maimai?
No. Due to licensing restrictions, the song is region-locked to Japanese cabinets. An unused Asian English title, 'Welcome to the Japari Park,' exists in the data but was never deployed.
Who designed the Master charts for Youkoso Japari Park e?
The DX Master chart was designed by はっぴー (Happy), and the Standard Master chart was designed by 某S氏 (Bou S shi). The Standard Re:MASTER chart was also designed by はっぴー.
What difficulty level are the Youkoso Japari Park e Master charts?
The DX Master chart is level 11+ (constant 11.6), the Standard Master chart is level 12 (constant 12.5), and the Standard Re:Master chart is level 12+ (constant 12.9).
What is the BPM of Youkoso Japari Park e?
The song has a BPM of 170 across all its appearances in maimai, CHUNITHM, and オンゲキ.
Who are the vocalists on Youkoso Japari Park e?
The song is performed by Doubutsu Biscuits (Serval voiced by Yuka Ozaki, Fennec by Kana Motomiya, Araiguma by Saki Ono) and PPP (Iwatobi penguin by Aina Aiba, Humboldt penguin by Ikuko Chikuta, Royal penguin by Mikoi Sasaki, Koutei penguin by Ruka Nemoto, and Gentoo penguin by Kyoka Tamura).