On May 31 at 12 AM KST, Super Junior member Yesung will reveal the theme song of Park Tae Kang (played by Lee Jang Woo) called ‘That Girl over Flowers’ for the MBC drama ‘I Do I Do.’

The song expresses a younger guy's feeling about loving an older girl in a straightforward way. This is a love song with a cheerful tune.

The agency added, "It will stimulate the emotions of the listeners and it will add to the touching and fun of the drama.”

So far Yesung has made a hit out of ‘It Has To Be You,’ ‘For One Day’ and has become the leader of OST.

‘I Do I Do’ airs every Wednesday and Thursday.