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The song and MV were dropped recently on Christmas day, and is called "Playing With Fire", with the cute message of lonely solos asking for an end to winters spent under layers of blankets, and the beginning of winters spent warming up with a girlfriend/boyfriend. 

It was also revealed that the cover image for the duet release is handmade by NC.A herself! Meanwhile, the two singers previously worked together as a couple on 'Reply 1994'.

Do you like the new duet?