小坂りゆ

Riyu Kosaka (小坂りゆ, Kosaka Riyu) is the youngest, and arguably most successful solo member of the Konami-produced J-Pop group BeForU. Born in Kanagawa, Japan on January 17, 1985.

Kosaka

Riyu Kosaka (小坂りゆ, Kosaka Riyu) is the youngest, and arguably most successful solo member of the Konami-produced J-Pop group BeForU. Born in Kanagawa, Japan on January 17, 1985.

Kosaka has had the largest number of solo songs and her songs appear in nearly every Bemani series.