Child actor Kim Yoo Jung changed from a young adolescent detecdtive into a cute and seductive kiseang.

On the SBS Monday/Tuesday drama "Secret Door," Kim Yoo Jung is acting in the role of the "Chosun version female detective." On the official Twitter of sidusHQ (twitter.com/sidushq_ent) broadcast on October 7^th, she wrote, "Why did the Chosun version female detective Ji Dam change into a kisaeng? For anyone who is curious please check on SBS 'Secret Door' at 10PM. Please check." Here, she released four pictures of Kim Yoo Jung.

Netizens responded to the pictures saying, "Kim Yoo Jung is so pretty." "I look forward to this week's "secret door." "The wig looks really well." And showed various responses.

In the SBS Monday/Tuesday drama "Secret Door' Kim Yoo Jung is acting in the role of the free spirited woman Suh Ji Dam, who is the hidden encourager of Lee Sun (played by Lee Je Hoon).

Meanwhile, SBS Monday/Tuesday drama "Secret Door" is a period drama tha follows the conflict between King Yeongjo (played by Han Suk Kyu) and Crown Prince Sado (played by Lee Je Hoon). Kim Yeong Jo has an authoritarian ruling style whereas Crown Prince Sado insists on equality for all.