Board Thread:Off-Topic Discussion/@comment-6433273-20180322113157/@comment-25070303-20180429191411

Bunai Di wrote: @CCyclone - this character was never confirmed for anything. The creators simply tagged her for views, I guess.

I'm going with UTAU as well... even though I haven't heard many Chinese VCVs. That's because CV ("extended CV" as some call it) is still dominating the Chinese UTAU fandom. CVVC is the second most popular, but there's really only two reclists that are used, so I'd assume Haiyi uses a custom one.