In what year was the album “Alcoholic Club” released by 空音?

In what year was the album “Alcoholic Club” released by 空音?: The album “Alcoholic Club” was released in 2021 by 空音, featuring 4 tracks.
What is the most successful song from the album “Alcoholic Club” by 空音?: “Alcoholic Club” is the biggest hit from the album “Alcoholic Club” by 空音.

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