Ryotaro, born in 1994, graduated from Chiba University, Faculty of Law and Economics, Department of Economics.
In 2018, while working as a banker, started his career as a conductor.
So far, as a conductor of AF choir, he has won the Gold Prize in the Chiba Chorus Contest, the Gold Prize and the Asahi-shimbun Award in the Chiba Chorus Ensemble Contest, and the Gold Prize and the Award of President of the Tokyo Chorus Federation in ""Harukon"" .