After a string of moderate hits throughout 2007–2008, AAA started a successful era in 2009 with their album "Heartful" and all of its preceding singles debuting in the top three. For the first time ever, they were able to guest on the popular music program Music Station, to perform "Hide Away". "Hide Away" also represented a new era of sorts for the group, as Ito started to sing more lines, joining Nishijima, Uno and Urata as lead singers. At the end of the year, they release a single title named "With You" and was used as the first ending theme of .