[1] It differs from regular text-to-speech programs in that it gives users more control over settings like tempo, pitch, and intonation.

The first voicebank released for this new engine featured a character from the children's anime Eagle Talon, known as Yoshida-kun.

However, Tsurumaki Maki was designed specifically for a more mature audience and is the first of the series to have no form of censorship.

For Tohoku Zunko's release the software was vastly improved compared to previous Voiceroid+ voices.

A number of releases for the software have been produced after successful crowdfunding campaigns; since 2016, this has become the main source of funding for new voicebanks.