Yes, ONE Song and Talk voices have a trial! (As long as you have CeVIO Editor, that is.)
You can download it here》1stplace.co.jp/software/cevio/
To use it, install and make sure your CeVIO Editor is the latest version. After this, under "ヘルプ(H)", click this (i.imgur.com/iOWpWW8.png). ONE's Trial will be activated, and it lasts until May 31st! I hope everyone enjoys ONE!
Song: EZFG ft. VY1
ONE: 1ST PLACE