Kawamoto is one of the first composers Capcom ever employed. She usually worked with Ayako Mori. In 1990, Kawamoto left the company (along with Hiroshige Tonomura) and joined Taito, also becoming a member of its in-house band, Zuntata. She would continue composing music for titles such as Night Striker, RayForce, Galactic Attack, RayStorm, and RayCrisis. She has also composed music for the anime Night Wizard.