EXO's Baekhyun has dropped a teaser video for "Hello".

The teaser video features Baekhyun in the studio as he records the drama theme song. "Hello" is from the 'Dr. Romantic 3' OST, and it's set to drop on April 28 KST.

Watch Baekhyun's "Hello" teaser video above, and let us know what you think in the comments below.