Hirosue released her debut album Arigato! in 1997, after releasing the singles "Maji de Koi Suru 5-byō Mae", "Daisuki" and "Kaze no Prism", all of which were certified platinum by the RIAJ. She followed up this with the single "Summer Sunset", and released the single "Jeans" in 1998. "Jeans" was used as an ending theme song for the anime Kindaichi Case Files, and "Private" was featured as the single's B-side.
