PASSPO☆ is 9-member Japanese idol group under the agency Platinum Passport. The group has a flight and travel concept, with the members acting as flight attendants, and their music tends to have a pop-rock sound. They were formed in 2009 as a 10-member group and had their CD debut in 2010 under indie label Jolly Roger, having their major debut in 2011 under Universal Japan. Shoujo Hikou, their major debut single, reached #1 in the Oricon weekly charts. Member Sakuma Kaho graduated in 2011 due to injury.