Secret Summer is the sixth and final extended play (promoted as fifth Korean-language EP) by South Korean girl group Secret.

The song was written and produced by Duble Sidekick, and marked a return to their sexy and powerful inspired songs such as "Magic", "Madonna", "Love Is Move" and "Poison".

Secret promoted "I'm in Love" as well as "U R Fired" and "Could Do Better" on music shows in August 2014 on KBS's Music Bank, MBC's Show!

Music Core, SBS's Inkigayo and Mnet's M!

They also held a MelOn showcase on the day of album release.