|Seishun Boku / Seishun Ore|
|Yaguchi Mari cover|
|Single by Yaguchi Mari & AIR BAND|
|Native title||青春 僕/青春 俺|
|Released||March 25, 2009|
|Format||CD+DVD, digital download|
|Yaguchi Mari Singles Chronology|
|Next||Kaze wo Sagashite (2010)|
|AIR BAND cover|
Seishun Boku / Seishun Ore (青春 僕/青春 俺) is a collaboration single by AIR BAND and Hello! Project soloist Yaguchi Mari. It was released on March 25, 2009. The first press release contained one out of ten random trading cards featuring either Yaguchi or AIR BAND. The single reached #190 on the yearly Oricon charts for 2009. "Seishun Boku" was used as an ending theme for the show Quiz! Hexagon II in April 2009, and featured on the Petit Best 10.
- Seishun Boku - Yaguchi Mari
- Seishun Ore - AIR BAND
- Seishun Boku (Instrumental)
- Seishun Ore (Instrumental)
- Seishun Boku (MUSIC VIDEO)
- Seishun Ore (MUSIC VIDEO)
- [2009.02.25] Quiz Hexagon
- Lyrics: Caxias Shimada
- Composition: Yuuki
- Arrangement: Saito Bungo, Iwamuro Akiko
- This is Yaguchi's first single since leaving Morning Musume in 2005.
- This was big news as Yaguchi was still a relatively popular variety idol and the only Hello! Project member with her own TV show.
- The "mktt tyy" on Yaguchi's shirt appears to stand for the names of herself and the members of AIR BAND: Mari, Kei, Takashi, Takeshi, Tomo, Yoshi, and You.
Total Reported Sales: 34,368