E.G. Crazy is a double album by Japanese musical unit E-girls, which also serves as their fourth studio release. It was distributed on January 3, 2016 for streaming through Japan's AWA services, and released on January 18, 2017 release via Rhythm Zone and Avex Music Creative Inc. Upon its release, E.G. Crazy received positive reviews from music critics, who praised the idea of a double packaged release, along with its production and sound. Commercially, it experienced success in Japan, reaching the top spot on the Oricon Albums Chart and Billboard charts. It reached Billboard #1 Japan Hot Albums 2017, Billboard #1 Japan Top Album Sales 2017, Oricon #1 Japan Daily Chart 2017, Oricon #1 Japan Weekly Chart and sold over 90,000 physical copies in Japan. "Pink Champagne" was co-written and produced by Dsign Music.