G-Friend's Yuju and IZ's Jihoo have revealed the album jacket for their upcoming duet "Heart Signal".

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"Heart Signal" is Jihoo's first collaboration since his debut in the idol band IZ, and Yuju is the first featuring artist for IZ's label's Music K Project. The special collaboration track is a rhythmical R&B with a jazzy shuffle and swing sound about falling in love. 

Check out the MV teaser here if you missed it. "Heart Signal" will be out on October 27.