Takoe Zuii: Rose
Natural, Thorn, and Petal are tetrapitch VCV voicebanks meant for use with the Japanese language.
>Natural: normal voice
>Thorn: powerful voice
>Petal: soft voice
Rose is made from the above voicebanks. All are packed together into one.
By default, Natural is the sound used. You can call the other voices in UTAU by adding 強 (for Thorn VB) or 弱 (for Petal VB) suffixes to the end of specific notes.