Girl group�BESTie�is back with a new song created by�Duble Sidekick�called "Thank U Very Much"!

The girls' agency�YNB Entertainment�previously told fans, "This new song emphasizes even more the healthy and cheerful image that is unique to BESTie. �We plan on trying performances that differentiate BESTie's color from the here and now that is overflowing with excessive sexy concepts."

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True to their word, the girls give us a bright, upbeat song that will have you hooked. So give it a go through the MV above!