[Dispatch=Lee Myung-ju] Actor Byeon Woo-seok will personally sing the theme song for MBC-TV's "Lady of the 21st Century" (screenplay by Yoo Ji-won, directed by Park Joon-hwa and Bae Hee-young).

Kakao Entertainment announced on the 11th, "Byeon Woo-seok is participating as the final vocalist for the 'Lady of the 21st Century' original soundtrack (OST)."

This track is a "hidden card" that was not included in the "Lady of the 21st Century" OST lineup. It was surprise-released through a teaser after the broadcast on the 9th.

His vocals have been added to the OST featuring the narrative of Ian (played by Byeon Woo-seok) and Sung Hee-ju (played by IU). It left a deep aftertaste and a strong impression.

Byeon Woo-seok also participated in the OST for tvN's previous work "Soundtrack #1." Through songs like "Shower" and "Run Run," he swept domestic and international music charts.

An official stated, "Byeon Woo-seok's emotional line as Ian that he has built up through his previous works will be expanded through music to elevate the romantic mood."

Meanwhile, the "Lady of the 21st Century" OST sung by Byeon Woo-seok will be released on the 15th.

<Photo provided by Kakao Entertainment>