On September 5, BTS dropped a comeback trailer with a title 'Serendipity' on its official YouTube channel.
BTS member Jimin was featured in the video, singing a mellow song which seems to be a new track included in the group's comeback album.
![VIDEO: BTS Jimin Features in 'Serendipity' Comeback Trailer](https://img.sbs.co.kr/newimg/news/20170905/201090141_700.jpg)
It was reported that the new album has already surpassed 1 million pre-orders from multiple Korean retailers.
![VIDEO: BTS Jimin Features in 'Serendipity' Comeback Trailer](https://img.sbs.co.kr/newimg/news/20170905/201090138_700.jpg)
(Credit= 'ibighit' YouTube)
(SBS Star)