IU reveals teaser for pre-release single 'Night Letter'
Fave Entertainmentrevealed a couple of teaser photos forIU's first pre-release before her long-awaited comeback!
Two teaser photos were posted on social media for her first pre-release single "Night Letter" which will be released on March 24.
IU will release a second pre-release on April 7 before making her full comeback with the release of her 4th album on April 21.