IU(아이유) releases another (sexy) teaser with “Everybody has secrets(누구나 비밀은 있다)” feat. Gain(가인): OMGOMGOMGOMG

Hello everyone! Once again, IU is back again releasing ANOTHER TEASER!!! This time, it is another song from her album called “Everybody has Secrets (누구나 비밀은 있다)” featuring the sexy Gain unni from Brown Eyed Girls!