Get ready for a new music release! SM Entertainment is set to release their new, winter project single "Winter Garden"!

They've released a simplistic teaser image of a flower plant with the letters 15, 18 and 22.

SM artists have taken part in singing "Winter Garden", although it has yet to be revealed which artists have taken part. The winter song is said to be released after EXO's 'Sing For You'.

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Stay tuned for more details on this special project single!