"Nanatsu no Umi wo Wataru Kaze no yōni" (七つの海を渡る風のように, lit.

"Like the Wind That Cross the Seven Seas") is a song by Japanese singer-songwriters Rina Aiuchi and U-ka Saegusa.

It was released on 11 April 2007 through Giza Studio, for the soundtrack of the Japanese animated film Detective Conan: Jolly Roger in the Deep Azure.

[1] In March 2007, Aiuchi and Saegusa announced that they would release the theme song to Detective Conan: Jolly Roger in the Deep Azure, the film adaptation of the Japanese anime series, Case Closed, for which the two had long written the theme songs.

[2] It was later confirmed that they recorded the cover versions of the past theme songs to the anime series, "Destiny" by Miki Matsuhashi and "Negai goto Hitotsu dake" by Miho Komatsu.