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SM surprised fans with the release of the first teaser, not only indicating the album name but also the comeback date!

It turns out the girls will return with new mini album 'Mr.Mr', which is also the name of the song they'll be pre-releasing ahead of the album release.

"Mr.Mr" the song will drop on the 19th and the album will follow on the 24th, so until then, check out the teaser above as you try to contain yourselves until those dates!