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This is an article about the Merli software for the VOCALOID3 engine.


Aoki Lapis' sister was first announced in April 2012 as "i-style 2nd Project". A competition was held to find the name of the VOCALOID.[1][2]

At the end of June 2012, an i-style video event featured a silhouette of her in profile in a live stream and confirmed details of her were due soon.[3]

At the end of July 2012, i-style Project released illustrations of her on their official website, and on early August 2012, i-style Project started an open recruitment for a voice provider for Merli. The deadline of the recruitment was set on September 10, 2012. Later this was extended to the November 30, 2012.[4]

In November 30, 2012, the auditions were over and the process of choosing had begun.[5]

In March 2013, it was announced that 6 vocalists had been chosen from the auditions. The third and final audition to choose the vocalist for Merli occurred on the March 14, 2013, in relation to Aoki Lapis' anniversary at Shibuya O-nest.[6]

Merli was released on December 24, 2013. Her official boxart was shown on December 17, 2013 and it comes with a silhouette jacket by default.  The jacket can be flipped to display a colour avatar version of Merli instead if the owner prefers it over the default art.[7]

Product InformationEdit



Justitia (short ver.) Niconico YouTube
Fate Leading Star Niconico YouTube
Justitia (full ver. 20% VB Ready) Niconico YouTube
Justitia (full ver. 50% VB Ready) Niconico YouTube
Fate Leading Star (Final Voicabank) Niconico YouTube
Justitia (full ver Final Voicebank) Niconico YouTube
Immature World feat. Aoki Lapis Niconico YouTube


  • Supported OS:Windows 8(32/64bit)/Windows 7(32/64bit)/Vista(32bit)/XP(32bit)
  • On 64bit Windows 8,Window 7 systems the software runs in 32bit compatibility mode (WOW64).・*Processor:Celeron Dual Core 2.1 GHz or better
  • Memory:At least 1GB of RAM
  • Hard disk: At least 2.0GB of available disk space

Voicebank LibrariesEdit

Product Information
  Genre: pop, ballad  Tempo: 60~180BPM  Range: F2~F4
Package details
Merli is focused on higher registers while having a notable low tone. She is a Character Voice of Misaki Kamata.

Her package comes with additional vocal samples.

Vocal traits as noted:
  • According to the YAMAHA Store, Merli has a sleek, powerful bass and treble range.
  • While her high tone is unable to reach Falsetto, the YAMAHA Store notes that she comes close to being able to perform it.
  • She is capable of singing in a wide range of genres.
Voicebank sample




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  7. [1]


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