While You Were Sleeping: Photos reveal budding romance of Lee Jong Suk and Suzy Bae

The upcoming series is scheduled to air in the second half of this year.

The filming of the upcoming SBS's fantasy and legal drama starring Lee Jong Suk and Suzy, "While You Were Sleeping" has already begun and the budding romance between the leads stars has started hitting the headlines.

Lee Min Ho's girlfriend was recently spotted with her co-star Lee Jong Suk and the pictures of the two became viral on social media. Pictures feature them sitting side-by-side, and in one video clip that was shared on Twitter, Suzy can be seen facing Jong Suk and she touches the top of his head.

Adding on, rumours about Min Ho and Suzy's break up is making the rounds too. According to Celebeat, sources claim that the "City Hunter" actor got jealous with the growing closeness between his girlfriend and the "Pinocchio" actor. It is difficult to say whether the said rumours are true or not as the couple has always kept their relation very private.

The story of the upcoming drama, "While You Were Sleeping" tells the story of an unemployed journalist, Hong Ju (Suzy), who has the ability to foresee people's unfortunate events in her sleep. Lee Jong Suk plays the role of a prosecutor known as Jae Chan, who works with her to stop all her nightmares from coming true. The script of the upcoming drama is written by Park Hye Ryun and his previous works include Dream High (2011), I Hear Your Voice (2013), and Pinocchio (2014).

Fans clicked the pictures of the two filming some of the scenes together, and shared it on the internet. Scroll down for the first look!

Lee Jong Suk and Bae Suzy filming
Lee Jong Suk and Bae Suzy filming " While You Were Sleeping" Twitter
Lee Jong Suk and Bae Suzy filming
Lee Jong Suk and Bae Suzy filming " While You Were Sleeping" Twitter
Lee Jong Suk and Bae Suzy filming
Lee Jong Suk and Bae Suzy filming " While You Were Sleeping" Twitter

The upcoming series is scheduled to air in the second half of this year.