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Overview

welcome to maimai!! with マイマイマー is a community-driven anthem for the maimai rhythm game series, introduced in maimai ORANGE PLUS on April 16, 2015. Composed by Hiro (Hiroshi Kawaguchi) with lyrics by beatMARIO (ビートまりお), the track features vocal performances by 越田Rute隆人 (Takahito "Rute" Koshida of the doujin music circle A-One) and beatMARIO, backed by crowd chorus from the maimaimers, fans and attendees of the maimai LIVE 2014 ~洗濯祭~ event held August 30–31, 2014. The song was conceived as a player-participation project that directly involved the maimai community. Its music video showcases eventgoers dancing in maimai-chan mascot masks, capturing the celebratory atmosphere of the live concert. The crowd chants woven throughout the track were recorded live during the event, making this one of the earliest maimai original songs to feature direct, unscripted fan participation. The title itself incorporates マイマイマー (maimaimaa), a nickname for the series' mascot characters, warmly welcoming players into the maimai experience. In Asian English regional versions, the title is romanized as "welcome to maimai!! with maimaimaa" and the artist as "Hiro feat.TAKAHITO "Rute" KOSHIDA&beatMARIO". Running at 163 BPM with a runtime of approximately 2:23, the song balances an upbeat pop-rock energy with a playful, inclusive tone that reflects its origins as a gift from the developers to the player community.

Videos

Master chart

Open

Expert chart

Open

Charts

STD

BASIC
6(6)
207 notesDesigner: -|Tap 175Hold 11Slide 10Break 11
ADVANCED
8(8)
424 notesDesigner: -|Tap 350Hold 36Slide 22Break 16
EXPERT
9+(9.6)
478 notesDesigner: mai-Star|Tap 300Hold 65Slide 33Break 80
MASTER
12+(12.9)
644 notesDesigner: 某S氏|Tap 417Hold 71Slide 104Break 52

Trivia

  • welcome to maimai!! with マイマイマー was the first maimai original song to directly incorporate fan participation, the crowd chants were recorded live at the maimai LIVE 2014 ~洗濯祭~ event, and the music video features attendees dancing in maimai-chan mascot masks.
  • The song was composed by Hiro (Hiroshi Kawaguchi), a Sega composer known for his work on the Space Channel 5 series and numerous maimai original tracks. The lyrics were written by beatMARIO (ビートまりお), a prominent figure in the doujin music scene and member of the circle COOL&CREATE.
  • Vocals are performed by 越田Rute隆人 (Takahito 'Rute' Koshida), a vocalist from the doujin music circle A-One, alongside beatMARIO, with additional chorus from the maimaimers, the community fans in attendance at the live event.
  • In maimai ORANGE PLUS, the song was unlockable by spending 30 music tickets. Starting from the next version, maimai PiNK (2015), it became available by default with no unlock requirement.
  • The in-game movie (MV) was removed when maimai でらっくす launched but was restored in the subsequent でらっくす PLUS update.
  • The song's genre classification has shifted over the series' lifetime: originally part of the ORIGINAL genre, it moved to ORIGINAL & JOYPOLIS, and from でらっくす PLUS onward it has been categorized under the maimai genre.
  • In Asian English regional versions of maimai, the title is romanized as 'welcome to maimai!! with maimaimaa' and the artist as 'Hiro feat.TAKAHITO "Rute" KOSHIDA&beatMARIO'.
  • A choreography video using an early version of the song was uploaded to niconico on August 23, 2014, roughly eight months before the song debuted in the arcade game.
  • The Master chart, designed by 某S氏 (Bou S shi), has been re-leveled multiple times across versions, originally rated 11 in ORANGE PLUS, it has since been adjusted to 12+, reflecting the gradual recalibration of difficulty standards across the series' lifespan.
  • The Expert chart, designed by mai-Star, stands out for its high Break-note density, 80 of its 478 total notes (roughly 17%) are Break notes, giving it a distinctive scoring profile compared to contemporary charts of similar level.

FAQ

Who composed "welcome to maimai!! with マイマイマー"?
The song was composed by Hiro (Hiroshi Kawaguchi), a Sega composer, with lyrics by beatMARIO (ビートまりお). Vocals are performed by 越田Rute隆人 (Takahito "Rute" Koshida) and beatMARIO, with crowd chorus from the maimaimers.
What maimai version introduced this song?
welcome to maimai!! with マイマイマー debuted in maimai ORANGE PLUS on April 16, 2015, and remains playable in all subsequent versions across Japanese, international, North American, and Chinese regions.
How does fan participation factor into this song?
The crowd chants in the track were recorded live at the maimai LIVE 2014 ~洗濯祭~ event. The music video also features event attendees wearing maimai-chan mascot masks, making it a community-driven project that directly involved players in the song's creation.
What difficulty is the Master chart and who designed it?
The Master chart is rated level 12+ with a difficulty constant of 12.9, designed by 某S氏 (Bou S shi). It contains 644 notes total (417 Tap, 71 Hold, 104 Slide, 52 Break), with a heavy emphasis on Slide patterns.
Why was the music video temporarily removed from the game?
The in-game MV was removed when maimai でらっくす launched, but was restored in the subsequent でらっくす PLUS update. The song itself remained playable throughout this period.
What does "マイマイマー" in the title mean?
マイマイマー (maimaimaa / maimaimer) refers to the maimai-chan mascot characters of the maimai series. The title essentially welcomes players to maimai alongside these mascots, reinforced by the community fans who appear in the music video.
How was this song originally unlocked in ORANGE PLUS?
In maimai ORANGE PLUS, the song required 30 music tickets to unlock. Starting from maimai PiNK onward, it became available by default with no unlock condition.

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