Gambaranakute mo Ee nen de!!

"Gambaranakute mo Ee nen de!!" (○○ がんばらなくてもええねんで!!) 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.

Release
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.

Personnel
S/mileage members:
 * Ayaka Wada
 * Yūka Maeda
 * Kanon Fukuda
 * Saki Ogawa