Big Bang's Daesung, who has been on hiatus since his car accident in May, is returning to the entertainment industry through the upcoming drama, 'What's Up'. On November 30th, TV network MBN revealed a video teaser for 'What's Up' through their official YouTube channel, giving Big Bang fans a long-awaited glimpse of their favorite idol. Additionally, Daesung is participating in the OST (soundtrack) for this drama and earlier today, his OST track, 'Lunatic' was released. To the surprise of many, a music video for this track was also released. 'What's Up' will air its premiere episode on December 3rd and Daesung will also make an appearance on December 4th at the Seoul Olympic Stadium for the 'YG Family Concert'. Check out the MV below! Tip: Jae