Can't get enough of BTOB member Changsub's amazing voice from his 1st mini album 'Mark'?

To give fans even more of a Christmas gift than the recently released mini album, the singer has now revealed the full-length, original version of the MV for his 1st mini album title track, "Gone"!

In the MV, a singer who has lost his way finds joy in creating music and singing again, with the help of a stranger and his manager, who stick by his side. Watch the touching story above, starring Changsub's good friend A Pink's Chorong!