"Chameleon Army" (カメレオン・アーミー, Kamereon Āmi) is Pink Lady's tenth single release, and their ninth number 1 hit on the Oricon charts. The single sold approximately 1,250,000 copies, and spent six weeks at the top of the Oricon charts. This was their last consecutive number one hit. According to Oricon, this was the 10th best selling single from 1979, and it gave Pink Lady a combined total of 63 weeks at number one - a record the duo held until January 2015, when B'z achieved a total of 64 weeks at number one with their single "Uchōten".