You are right about Song Kang and Yoojung knowing each other before script reading because the director revealed they did a 1-2 month tango dance practice before joining the drama.
The owner of this vedio is good to explain she said only expectation they dont know yet coz both side agency are not telling anything about sk and kyj ❤❤❤❤ its not a fake news she just explain lol 😊
En el minuto 3:55 busquen el video completo, ella lleva un ramo de flores y se encuentra con sus fans, ella se detiene y distrae a sus fans, mientras baja un joven de un auto y pasa corriendo!!