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Overview

てらてら is a VOCALOID track by Japanese composer and lyricist Takeaki Wada (和田たけあき), originally written as a commissioned song for the mobile rhythm game Project SEKAI: Colorful Stage! feat. Hatsune Miku. The song exists in two distinct recordings: a SEKAI version sung by the voice cast of the in-game unit Leo/need alongside Hatsune Miku, and a VOCALOID version featuring Otomachi Una (音街ウナ) on vocals, the latter being the version that appears in maimai. Musically, the song drives forward at a brisk 190 BPM with an energetic electronic pop arrangement, its polished production contrasting with lyrical themes that grapple with identity, social performance, and the dissonance between borrowed words and authentic self-expression. Passages like "レビューサイトの星の数で夢を語らないで" ("don't judge dreams by the number of stars on review sites") and the refrain "いない! いない! いない! あたしがいないよ" ("I'm not here, I'm not here, I'm not here") speak to a generation navigating self-worth through external validation. The title てらてら, a Japanese onomatopoeia for a glossy, glistening shine, plays ironically against this interior unease. Added to maimai でらっくす PRiSM on November 22, 2024, the song features chart design by みそかつ侍 (Misokatsu Samurai) on EXPERT and アマリリス (amaryllis) on MASTER, the latter clocking in at level 13 with a constant of 13.1 across 779 notes.

Videos

Official PV

Open

Master chart

Open

Master chart

Open

Expert chart

Open

Charts

DX

BASIC
3(3)
181 notesDesigner: -|Tap 151Hold 11Slide 6Touch 7Break 6
ADVANCED
7(7)
383 notesDesigner: -|Tap 328Hold 18Slide 6Touch 26Break 5
EXPERT
10(10)
528 notesDesigner: みそかつ侍|Tap 382Hold 41Slide 33Touch 14Break 58
MASTER
13(13.1)
779 notesDesigner: アマリリス|Tap 575Hold 23Slide 92Touch 37Break 52

Trivia

  • てらてら was originally created for Project SEKAI: Colorful Stage! feat. Hatsune Miku, where it was assigned to the in-game band Leo/need as a commissioned song.
  • Two distinct recordings exist: the SEKAI version (human vocals by Hatsune Miku and the Leo/need voice cast, Ruriko Noguchi, Karin Isobe, Reina Ueda, and Yuki Nakashima) and the VOCALOID version (Otomachi Una, used in maimai).
  • The song debuted in a rhythm game via CHUNITHM LUMINOUS on January 11, 2024, nearly a year before arriving in maimai DX PRiSM.
  • CHUNITHM uses the SEKAI version with human vocals, while maimai uses the VOCALOID version with Otomachi Una, giving the track a noticeably different sound across the two cabinets.
  • Takeaki Wada originally released てらてら on his album _Haikyo_[A.] in 2022, predating all rhythm game appearances.
  • The official music video for the VOCALOID version was produced by ぬヴェントス (Nventos) and 村カルキ (Murakaruki).
  • The MASTER chart (level 13, constant 13.1) was designed by アマリリス (amaryllis), a charter recognized for constructing dense Slide and Tap patterns, this chart contains 92 Slide and 575 Tap notes.
  • The EXPERT chart (level 10, constant 10.5) was designed by みそかつ侍 (Misokatsu Samurai).
  • Regional availability for maimai DX PRiSM varied: the song reached Asian servers on March 28, 2025, and the Chinese version (舞萌DX 2025) on March 25, 2026.
  • The song runs 2 minutes and 12 seconds, a relatively standard length for a maimai track but densely packed with notes at its 190 BPM tempo.

FAQ

Who composed the song てらてら?
てらてら was composed, arranged, and written by Takeaki Wada (和田たけあき), a VOCALOID producer who has contributed commissioned songs to Project SEKAI: Colorful Stage! feat. Hatsune Miku and other rhythm game franchises.
Which version of maimai added てらてら?
The song was added to maimai でらっくす PRiSM on November 22, 2024, and is available in all regions: Japan, International, USA, and China.
Who sings the version of てらてら used in maimai?
The maimai version features Otomachi Una (音街ウナ) on vocals. This differs from the Project SEKAI version, which uses human vocals by Hatsune Miku and the Leo/need voice cast.
What does the Japanese title てらてら mean?
てらてら (teratera) is a Japanese onomatopoeic word describing something that shines, glistens, or appears glossy, similar to 'glittering' or 'shimmering' in English. The title creates a contrast with the song's lyrics, which explore uncertainty and loss of self.
Who designed the MASTER chart for てらてら in maimai?
The MASTER chart was designed by アマリリス (amaryllis). It is rated level 13 with a constant of 13.1 and contains 779 notes, including 92 Slide notes and 575 Tap notes across the chart.
Does てらてら appear in any other rhythm games?
Yes, てらてら also appears in CHUNITHM LUMINOUS, where it was added on January 11, 2024. Notably, CHUNITHM uses the SEKAI version with human vocals rather than the VOCALOID version heard in maimai.
What genre is てらてら in maimai?
In maimai, てらてら is categorized under the niconico & VOCALOID (niconico&ボーカロイド) genre, reflecting its origin as a VOCALOID song featured on the niconico video platform.