On December 20, 2016, DSP Media confirmed that April would release their third extended play, Prelude on January 4, 2017.

[1][2] The title of the album Prelude represent the group's new beginning, with their new line-up consisting of members Chaekyung, Chaewon, Naeun, Yena, Rachel and Jinsol.

On January 3, the music video for "April Story" was released on the group's YouTube channel.

On January 6, April had their comeback stage on KBS's Music Bank that were eventually followed by appearances on Mnet's M Countdown, MBC's Show!

[15] On February 14, 2017, Chaekyung, Chaewon, Naeun, Yena, Rachel and Jinsol performed a special stage of Apink's "LUV" for the 100th episode of SBS MTV The Show.