is the debut single by Japanese singer/songwriter Mari Hamada, from the album of the same title. Written by Hamada, Hiroaki Matsuzawa, and YÃ Âgo KÃ Âno, the single was released by Invitation on October 21, 1985, to commercial success and positive reviews. Since its release, the song has been a regular staple on Hamada's live set list. The single peaked at No. 42 on Oricon's singles chart.