Mini album
May 4, 2010
SM Entertainment
Korean
f(x) - NU ABO
f(x) - Mr. Boogie
f(x) - Ice Cream
f(x) - ME+U
f(x) - Surprise Party
f(x) - Sorry (Dear.Daddy)
f(x)
New Release (Single album) in 22 hours
New Release (Mini album) in 1 day
New Release (Single album) in 2 days