On 14 January 2014, it was announced that AAA had been appointed the PR ambassadors for the fifteenth anniversary of anime "One Piece", and provided a new song titled "Wake up!" for its opening theme. On 17 May, the group began their first all-arena nationwide tour, "AAA ARENA TOUR 2014 -Gold Symphony-", their biggest tour yet with an estimated attendance of 200,000 people. AAA released their ninth studio album, "Gold Symphony" on 1 October, which became the second original studio album to top the Oricon charts. During the last day of the concert tour on 18 October, it was announced that AAA will be preparing for their first Asia tour in 2015. In 2015, AAA released their "10th Anniversary Best" studio album, which contained the singles, "I'll be There", "Lil' Infinity" and "Aishiteru no ni, Aisenai".