| Gambaranakute mo Ee nen de!! | |
| Type: | single |
| Artist: | S/mileage |
| Album: | Warugaki 1 |
| A-Side: | Gambara Nakute mo Ee nen de!! |
| B-Side: | "Gambara Nakute mo Ii n' Da yo!!" (in all editions) |
| Released: | (Japan) |
| Genre: | J-pop |
| Label: | Hachama |
| Producer: | Tsunku |
| Prev Title: | Yume Miru 15 |
| Prev Year: | 2010 |
| Next Title: | Onaji Jikyū de Hataraku Tomodachi no Bijin Mama |
| Next Year: | 2010 |
is the 2nd major single by the Japanese girl idol group S/mileage. It was released in Japan on July 28, 2010 on the label Hachama.
The physical CD single debuted at number 5 in the Oricon daily singles chart.
In the Oricon weekly chart, it debuted at number 6.[1]
The single was released in four versions: three limited editions (Limited Editions A, B, and C) and a regular edition.
All the limited editions and the first press of the regular edition came with a sealed-in serial-numbered entry card for the lottery to win a ticket to one of the single's launch events.
The corresponding DVD single (so called Single V) was released one week later, on August 4, 2010.
S/mileage members:
| Chart (2011) | Peak position | |
|---|---|---|
| Japan (Oricon Daily Singles Chart) | 4 | |
| Japan (Oricon Weekly Singles Chart)[2] | 6 | |
| Japan (Oricon Monthly Singles Chart) | 29 | |
| Japan (Billboard Japan Hot 100) | 22 |