Yumiko Kosaka (小坂 由美子, Kosaka Yumiko?), born February 3, 1970, is a Japanese singer. Several of her songs have been featured in anime, such as Tekkaman Blade and Ghost Sweeper Mikami.
Yumiko Kosaka (小坂 由美子, Kosaka Yumiko?), born February 3, 1970, is a Japanese singer. Several of her songs have been featured in anime, such as Tekkaman Blade and Ghost Sweeper Mikami.