Birthplace: Osaka
Blood Type: A
Height: 158 cm

@RRikakakiuchi

She was a Gal Fashion magazine model before becoming singer.

She used Rikako Kakiuchi, Rina Aiuchi, Rika Kakiuchi, and currently using R. She entered hiatus between 2011 to 2014 for studying dog related licenses and created a dog brand Bon Bon Copine. She returned using Rika Kakiuchi until 2018 and used R until 2021. She returned once again, under Rina Aiuchi.