Lee Hyori and Lee Sang Soon were seen collaborating as a married couple for the first time in the MV teaser for for "Don't Cry" 'I Need Romance 3' OST!

SEE ALSO: K-netizens react to Lee Hyori's return as a model for GUESS after 15 years

Lee Hyori sings along to "Don't Cry" while Lee Sang Soon plays the guitar accompaniment which adds to the soft and romantic atmosphere of the song, making it the perfect lullaby to fall asleep to. The two created the song together in their home studio in Jeju Island and possibly used their own romance as inspiration for the track.

Kim So Yeon, Sung Joon, Nam Goong Min, Wang Ji Won, Park Hyo Joo, Yoon Seung Ah, Park Yoo Hwan, Yoo Ha Joon, and more will star in the drama series' third season which portrays the love and war that goes on while dating at a home shopping company.

"Don't Cry" is set for release on the 14th, a day after the drama's premiere!