It's the first release since Joonhyuk's leave. The teaser is pretty short at 22 seconds, but the boys still express the pain of a man who's lost their love within that short time. The title song "Letting Go" is written by Young K and Wonpil, and is an R&B-Rock song.

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The boys will be releasing their 2nd mini album 'DAYDREAM' on the 30th at midnight KST. In the meanwhile, check out the teaser above!