In what year was the album “Pop” released by 프라이머리?

In what year was the album “Pop” released by 프라이머리?: The album “Pop” was released in 2017 by 프라이머리, featuring 6 tracks.
What is the most successful song from the album “Pop” by 프라이머리?: “Drama” is the biggest hit from the album “Pop” by 프라이머리.

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