Biography
Otomachi Una was planned by MTK, with singing software released by INTERNET and Aimi Tanaka publicly credited as the voice performer. The 2016 VOCALOID4 product established a route into song creation; its download and boxed editions launched on different dates.
A 2017 anniversary campaign invited original songs and illustrations, continuing audience participation in the character’s creative output. The VOCALOID6 AI edition followed in 2023 with Sugar and Spicy voice variants. AI describes the singing-synthesis product, not independent authorship or performance decisions by the character.
Milestones
Sources
- INTERNET — Otomachi Una VOCALOID4 product lineupAccessed 2026-10-20
- INTERNET — Otomachi Una first anniversaryAccessed 2026-10-20
- INTERNET — VOCALOID6 AI Otomachi Una press release (May 24, 2023)Accessed 2026-10-20
The 2023 milestone follows the contemporary release announcement; delivery through every channel was not independently checked. The first character reveal and full song catalogue remain to be researched.
Updated 2026-10-20