Answer
The Haruhi Suzumiya franchise led to Hirano's major breakthrough in 2006. Hirano was the lead singer of the band The Galileo Galilei, which performed the opening theme song for the 2006 anime adaptation of the Haruhi Suzumiya light novel series. The song, "Hare Hare Yukai," became a major hit in Japan and helped to launch Hirano's career as a singer.