In what year was the album “I’m Not Cool” released by 현아?

In what year was the album “I’m Not Cool” released by 현아?: The album “I’m Not Cool” was released in 2021 by 현아, featuring 5 tracks.
What is the most successful song from the album “I’m Not Cool” by 현아?: “I'm Not Cool” is the biggest hit from the album “I’m Not Cool” by 현아.

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