Yoo Jun-sang and Um Ki-joon met on the set of Penthouse'.
Um Ki-joon told his SNS 24 Days, "Thank you, Jun Sang-hyung!!!! This is the first time in the drama. I always have a strong "and posted a photo of the authentication shot in front of Coffee or Tea.
In the photo, the two stand in front of Coffee or Tea, which Yoo Jun-sang sent for Um Ki-joon. Yoo Jun-sang and Um Ki-joon have been working together under the Eom Yu-min law.
Yoo Jun-sang will make a special appearance on "Penthouse" as a person related to Naaegyo (Lee Ji-ah). Penthouse 2' starring Yoo Jun-sang and Um Ki-joon is loved by the audience rating of close to 30%.
