Park Ji Yoon releases official trailer for 'Mr. Lee'

It looks like the mysterious 'Mr.' Park Ji Yoon has been teasing us about is named 'Mr. Lee'. 

Different from the understated tone of the first video teaser, this new 'official main trailer' has an upbeat theme featuring scratching in the background and a slight preview of the "Mr. Lee" track. 

Park Ji Yoon's release is due out on October 21. Until then, check out the clip above!