English voice library "Soyogi Soyogi (CV: Yuki Kaji)" for text-to-speech software "VoiSona Talk" now on sale!

Techno-Speech, Inc. (headquarters: Higashi-ku, Nagoya; Representative Director: Keiichiro Oura, hereinafter "Techno-Speech") announces that the English voice library "Soyogi Soyogi (CV: Yuki Kaji)" (management: Soyogi Fractal) for the text-to-speech software "VoiSona Talk", which realistically reproduces human speech with cutting-edge technology, has been released today, Wednesday, December 10, 2025.

"VoiSona Talk" New English Voice Library

[VoiSona Talk English Voice Library "Soyogi Soyogi" Information]

Voice Library Name: Soyogi Soyogi

Supported Language: English

Styles: Normal, Fine, Sad

CV: Yuki Kaji

Illustration: Mai Yoneyama

Management: Soyogi Fractal

URL: https://voisona.com/talk/artist/soyogi-soyogi_en_US/

Release Date: Wednesday, December 10, 2025

voisona.com Direct Sales

- Purchase Plan (one-time purchase): 9,900 yen (excluding tax: 9,000 yen)

- Annual Plan (subscription): 4,950 yen per year (excluding tax: 4,500 yen)

- Monthly Plan (subscription): 660 yen per month (excluding tax: 600 yen)

*Sales on voisona.com accept credit card payment. For the purchase plan, convenience store payment and Alipay payment are also available.

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Soyogi Soyogi (CV: Yuki Kaji)

In another world, Yuki Kaji's character was brought to life by the voice and words given to him. This character takes shape and grows through collaborations with various creators.

Official Website: https://soyogi-fractal.com/

X: https://x.com/kaji_project

YouTube: https://www.youtube.com/@soyogi-fractal

[Soyogi EXPO]

At the 3D live event "Soyogi Soyogi 1st EXPO '0rigin'" (organizer: Soyogi EXPO Production Committee, scheduled for Sunday, March 8, 2026) featuring Soyogi Soyogi (CV: Yuki Kaji), in addition to this product, the already available Japanese talk voice library and Japanese song voice library are also planned to be utilized.

Japanese Talk Voice Library

https://voisona.com/talk/artist/soyogi-soyogi_ja_JP/

Japanese Song Voice Library

https://voisona.com/song/artist/soyogi-soyogi_ja_JP/

This event is an initiative where you can experience the creative world centered on Soyogi Soyogi's "vocal expression" on a real stage. You can enjoy the multifaceted appeal of the AI character Soyogi Soyogi in a more three-dimensional way. For event details, please refer to the "Soyogi EXPO" special website.

URL: https://soyogi-fractal.com/special/soyogiexpo/

[Cross-Platform Campaign Information]

For users who already licensed the released "CeVIO AI" version of talk voice library "Soyogi Soyogi English," a campaign is being held to allow them to use the "VoiSona Talk" version of the character free of charge from December 10, 2025. You can use "VoiSona Talk" with the same quality of synthesized voice as the voice library of "CeVIO AI". Please take this opportunity to try it out.

*Requires entering an activated serial number for the voice library of the "CeVIO AI".