Otona ni Narutte Muzukashii!!!

"Otona ni Narutte Muzukashii!!!" is the 4th indies single by S/mileage. The single will be released in March 14, 2010.

Tracklist

 * 1) Otona ni Narutte Muzukashii!!! (オトナになるって難しい!!!; Becoming an Adult is Difficult!!!)
 * 2) Otona ni Narutte Muzukashii!!! (Instrumental) (オトナになるって難しい!!! (Instrumental))

Concert performances

 * Hello! Project 2010 WINTER Kachou Fuugetsu ~Mobekimasu!~
 * 2010nen Hello! Pro Egg Norimen LIVE 2gatsu