| "Ninin Sankyaku" | ||||
|---|---|---|---|---|
 | ||||
| Single by misono | ||||
| from the album Sei -say- | ||||
| B-side | "Rock Project Medley (Zasetsu Chiten/Juunin Toiro/Mugen Kigen/Ninin Sankyaku)" | |||
| Released | June 28, 2008 | |||
| Recorded | 2007 | |||
| Genre | J-Pop, Rock | |||
| Label | Avex Trax | |||
| Songwriter(s) | misono | |||
| Misono singles chronology | ||||
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| Alternative cover | ||||
 "Tales of Symphonia Dawn of The New World" CD-Only Cover | ||||
Ninin Sankyaku (二人三脚 / Three-Legged Race) in the tenth single by Japanese soloist misono, and the final single released for her Rock Singles Project. Out of the singles for the project, Ninin Sankyaku was the most successful on the charts, ranking at No. 10 on Oricon and remaining on the charts for ten weeks.
The single was released as both a CD and a CD+DVD combo, with the Tales of Symphonia: Dawn of the New World editions also garnering CD and CD+DVD combos. As with the other singles in the project, which misono performed with other bands, the music for "Ninin Sankyaku" was written and performed by Akio Shimizu from Anthem.