山口百惠
The title track was a cover of the 1973 song "Kojin Jugyou" by Japanese group pop group Finger 5, which was made up of Okinawan siblings Kazuo, Mitsuo, Masao, Akira and Taeko Tamamoto. The song has been covered by an array of other artists, including Momoe Yamaguchi and Junko Sakurada. "Kojin Jugyou's" lyrics were written by Yuu Aku, who had been in the industry since the 1960s. The song was originally composed by Shunichi Tokura. For misono's version, Takahiro Izutani arranged the music. Takahiro had previously worked with misono for her debut single "VS," and composed the music for the "Tales of the Tempest" Nintendo DS role-playing video game.