Komatsu wrote Field of View's seventh single, titled "Kono Machi de Kimi to Kurashitai", released in April 1997. A month later, she debuted as a singer and released her first single, "Nazo". The song was used as an opening theme for the anime Case Closed and sold more than 300,000 copies. In January 1998, she released her third single, "Negaigoto Hitotsu Dake". The song was used as the fifth ending theme for Case Closed.
Komatsu released her first single, titled "Saitan Kyori de". Her 24th single, "I Just Wanna Hold You Tight", was chosen as an ending theme for the anime MÄR. She released two more singles before going on hiatus in 2005.