13th single from KAT-TUN! Lots of guitar riffs and Ray Luzier from KORN is on drums! The song "CHANGE UR WORLD" is used as a theme song for "Going! Sports & News" a popular sport channel in Japan. Limited Edition Type 2 contains 4 songs, including "REMEMBER" with Billy Sheehan (formerly of Mr.BIG) on bass! Each of the three versions of this single features a different artwork!