Overview
おじゃま虫 (Ojamamushi) is a Vocaloid song by DECO*27 featuring Hatsune Miku, originally released on the 2014 album Conti New before joining maimai ORANGE PLUS on September 17, 2015. The title translates to "nuisance insect" or "bothersome bug," but the lyrics subvert this with an affectionate, clingy narrator who wants to record every word their beloved speaks, photograph every expression, and stay by their side forever. This contrast between a self-deprecating title and earnest devotion has made the track a distinctive entry in DECO*27's discography.
In the maimai rhythm game, おじゃま虫 became noteworthy for its MASTER chart's repeated upward difficulty revisions. Starting at level 10 in ORANGE PLUS, it was re-rated to 10+ in PiNK, then 11 in でらっくす PLUS, and finally 12 from UNiVERSE PLUS onward, reflecting both the community's growing skill and the chart's enduring challenge. The EXPERT chart (level 9+) was designed by 某S氏, while the MASTER was crafted by mai-Star. The song was removed from maimai DX in March 2024, ending its official arcade availability.
Videos
Charts
Trivia
- おじゃま虫 first appeared on DECO*27's fourth studio album Conti New (February 5, 2014), a compilation of Vocaloid tracks whose title blends 'continue' and 'new.'
- The official music video was created by りょーの (Ryo-no), a longtime PV artist known for animating many of DECO*27's most iconic Vocaloid videos, including 'Moskau' and 'Love Song.'
- The arrangement was co-handled by DECO*27 and kous (kousTV), a sound producer and frequent collaborator on DECO*27's early albums.
- Despite the title literally meaning 'nuisance insect' or 'pest,' the narrator affectionately embraces the label, their dream is to be a 'stickybug' inseparable from their loved one, giving the song an unexpectedly tender core.
- A direct sequel, おじゃま虫Ⅱ (Ojamamushi II), was later released, continuing the same musical and lyrical themes.
- The MASTER chart underwent four difficulty re-ratings across maimai versions: 10 (ORANGE PLUS) → 10+ (PiNK) → 11 (でらっくす PLUS) → 12 (UNiVERSE PLUS onward), one of the most re-adjusted charts in the series.
- The EXPERT chart designer 某S氏 (Bou S shi) is a well-known maimai chart creator whose pseudonym literally means 'a certain Mr. S.'
- In Asian English localized versions of maimai, the song title was presented as a direct romanization, 'Ojamamushi', rather than a semantic translation.
- The song was removed from Asian and Chinese arcade versions of maimai でらっくす before the global removal on March 21, 2024, making it inaccessible in those regions for longer.
- The game's genre classification for the track was updated from 'niconico' (ORANGE PLUS) to 'niconico & VOCALOID' (PiNK onward) as part of a broader category reorganization.
- The track runs 2 minutes and 12 seconds, a compact pop-rock arrangement with crisp guitar riffs, driving drums, and layered Miku vocals typical of DECO*27's style.
- The lyrics weave everyday digital actions, recording audio, taking photographs, into metaphors for obsessive attention, grounding the song's fantasy of inseparable love in relatable, modern behavior.
FAQ
- Who composed おじゃま虫 (Ojamamushi)?
- おじゃま虫 was composed, written, and produced by DECO*27 (Kosuke Terayama) featuring Hatsune Miku on vocals. The arrangement was co-handled by DECO*27 and kous.
- What does おじゃま虫 mean in English?
- おじゃま虫 (Ojamamushi) literally translates to 'nuisance insect' or 'bothersome bug.' In the song lyrics, the narrator affectionately embraces the label, framing their dream as being a 'stickybug' always by their beloved's side.
- What maimai version added おじゃま虫?
- おじゃま虫 was added to maimai ORANGE PLUS on September 17, 2015. It originally appeared under the 'niconico' genre, later reclassified to 'niconico & VOCALOID' from PiNK onward.
- Is おじゃま虫 still playable in maimai?
- No. おじゃま虫 was removed from all maimai DX arcade cabinets on March 21, 2024. It had already been removed earlier from Asian and Chinese regional versions of maimai でらっくす.
- What difficulty level is おじゃま虫 on MASTER?
- The MASTER chart is rated level 12 with a difficulty constant of 12.0. It originally debuted at level 10 in ORANGE PLUS and was re-rated upward across four subsequent version updates.
- Who designed the charts for おじゃま虫?
- The EXPERT chart was designed by 某S氏 (Bou S shi), and the MASTER chart was designed by mai-Star. The Basic and Advanced charts do not have credited designers.
- Does おじゃま虫 have a sequel?
- Yes, a direct sequel titled おじゃま虫Ⅱ (Ojamamushi II) exists, continuing the musical and lyrical direction of the original track.
- What album is おじゃま虫 from?
- おじゃま虫 was originally released on DECO*27's 2014 studio album Conti New, which compiles several Vocaloid tracks from that period of the producer's career.
