SEE ALSO: Rapper Kisum wants to stop time in '30' MV

Her title track, also called "Sleep Tight" featuring G9B9, sounds like a sweet, romantic song with a medium tempo hip-hop beat. Kisum has been gearing up for her upcoming mini album via her Instagram with a series of teaser images and clips, dropping hints about "Sleep Tight" as well as 3 other tracks from the album. 

You can listen to Kisum's full 2nd mini album on April 14 at noon KST!