The name of this unit resumes all the initials of the Prism Stone's unit's members (R for Rinne, A for Ann, I for Ito, N for Naru). They debuted in the Try! Grooving Session after Belle Rose. Their debut song is Dosha Buri HAPPY!
The name of this unit resumes all the initials of the Prism Stone's unit's members (R for Rinne, A for Ann, I for Ito, N for Naru). They debuted in the Try! Grooving Session after Belle Rose. Their debut song is Dosha Buri HAPPY!