Actor Jung Hae-in has personally sung an OST for a drama.

On the 30th, CJ ENM announced, "Jung Hae-in will be the final singer for the OST of tvN's 'My Mother's Friend's Son.' The song 'Words I Couldn't Say' will be released on October 5th."

'Words I Couldn't Say' is a ballad. It harmonizes acoustic guitar playing with delicate emotions. The lyrics convey unwavering feelings towards the other person.

Jung Hae-in's voice enhances the excitement. He plays the role of Choi Seung-hyo, who loves his childhood friend, in 'My Mother's Friend's Son,' establishing himself as a "romance artisan."

A representative said, "We expect Jung Hae-in's excellent singing skills and soft tone to amplify the pink mood of 'My Mother's Friend's Son.'"

Meanwhile, 'Words I Couldn't Say,' completed by Jung Hae-in, will be available on various music platforms at 6 p.m. on the 5th of next month.

<Photo provided by CJ ENM>