| Ryūsei / Sharirara | |
| Cover: | RyuuseiCover.jpg |
| Type: | single |
| Artist: | FLOW |
| Released: | February 18, 2004 |
| Genre: | Rock |
| Label: | Ki/oon Records |
| Prev Title: | Dream Express |
| Prev Year: | 2003 |
| Next Title: | GO!!! |
| Next Year: | 2004 |
Ryuusei / Sharirara is FLOW's third single. It is a double A-side single. It reached #12 on the Oricon charts in its first week and charted for 10 weeks. *[1]
4 of Argonavis project casts, Masahiro Itō, Jin Ogasawara, Daisuke Hyūga, and Kōsuke Miyauchi were covered "Ryūsei" on 5th leg of Argonavis Acoustic Tour 2021 -Autumn Session- held in Sendai Rensa on October 23, 2021.