Boy group DONGKIZ members MUNIK and JAECHAN are back with summer songs.

DONGKIZ's first unit, DONGKIZ I:KAN's 'Y.O.' through various music sites at noon on July 7.U' has been released.

"Y.O.U." is a song of the 1990s New Jack Swing genre that digests with DONGKIZ I:KAN's trendy sensibility and has a cool feeling reminiscent of a midsummer beach.

DONGKIZ I:KAN is 'Y.O.In addition to boasting unique freshness and HIP concept through 'U', musician KIRIN and producer BRONZE, who are drawing attention as the main players of the retro craze, have added strength to their perfection.