Ryosuke Hashimoto (橋本 良亮, Hashimoto Ryōsuke; born July 15, 1993 in Chiba Prefecture, Japan) is a Japanese singer managed by the male idol talent agency Johnny and Associates. He is a member of the boyband A.B.C-Z.
Source: “Ryosuke Hashimoto”, English Wikipedia (CC BY-SA 4.0), excerpt