In what year was the album “Thumbs Up!” released by PENTAGON?

In what year was the album “Thumbs Up!” released by PENTAGON?: The album “Thumbs Up!” was released in 2018 by PENTAGON, featuring 5 tracks.
What is the most successful song from the album “Thumbs Up!” by PENTAGON?: “Naughty Boy” is the biggest hit from the album “Thumbs Up!” by PENTAGON.

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