In what year was the album “Door” released by Kim Sejeong?

In what year was the album “Door” released by Kim Sejeong?: The album “Door” was released in 2023 by Kim Sejeong, featuring 6 tracks.
What is the most successful song from the album “Door” by Kim Sejeong?: “Top Or Cliff” is the biggest hit from the album “Door” by Kim Sejeong.

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