is a song by Japanese rock band FLOW, released in 2004 as their fourth single.

The song serves as the fourth opening theme song of the popular Japanese anime Naruto.

[1] [2] The song was covered by Argonavis, a fictional rock band from multimedia franchise Argonavis from BanG Dream!

It was playable in the game Argonavis from BanG Dream!

AAside on January 14, 2021[3] while the full version is included on "Argonavis Cover Collection -Mix-", released on November 17, 2021.