Yuamu is a female singer, her debut in 2000 coming with the MAXI single "Sky". Her second MAXI release was "Pink", which featured the opening theme 'Star Boundary' and the ending theme 'Pink' for the anime series based on a Space Opera novel 'Sekai no Senki' (Banner of the Stars, lit. Battle Flag of the Stars), written by original author Hiroyuki Morioka.