Virtual Character Encyclopedia

HARU

羽累

A rap-focused Musical Isotope developed from Harusaruhi’s voice. [1] [2] [3]

Format
Voicebank singers
Performance
Voice synthesis
Project market
Japan
First release / debut
Unconfirmed
Organization / project
KAMITSUBAKI STUDIO / Musical Isotopes

Biography

HARU uses Harusaruhi’s voice as the basis for a CeVIO AI product focused on rap delivery. HARU and Harusaruhi are connected but distinct subjects: a character whose singing creators arrange, and a virtual singer driven by human performance.

The singing software launched on November 13, 2023 as the fifth Musical Isotope, completing counterparts for the five V.W.P singers. Its release announcement also pointed to original songs already published, showing how music creation accompanied the product’s development.

[1] [2] [3]

Milestones

  1. Fifth Musical Isotopes singing product released [2]

Sources

  1. Musical Isotopes — HARUAccessed 2026-10-20
  2. KAMITSUBAKI — HARU singing software releasedAccessed 2026-10-20
  3. Musical Isotopes — HARU launchAccessed 2026-10-20

The singing-product date follows the contemporary November 13, 2023 release notice. Another project overview uses March 2024; that date is not substituted for the singing release. A full speech-product history remains to be added.

Updated 2026-10-20