Tiger JK participate in Brian's new song with featuring.

'Leaving You', Brian's new song, teaser video was released online on Jan. 25.

In the teaser video, what drew the most attention was appearance of Tiger JK. Despite of the short appearance, outstanding rapping skill of his blew viewers away. The following scene, where Brian's back appears, made viewers curious the story line.

Netizens commented "Will be a big hit", "Tiger JK super charisma".

Photo: Brian's teaser video capture