Xu Kangjun's "Undercover High School" wins the championship six times, shocking with -22°C marching "ice columns hanging".
Xu Kang-jun and Jin Ki-joo collaborated in "Undercover High School," which marked Xu Kang-jun's first Korean drama after his military service and concluded last weekend. He shared about the difficult experiences during training, particularly a night march in minus 22 degrees that left a deep impression on him. Xu Kang-jun stated that this drama is of great significance to him, allowing him to return with a new image, and he expressed gratitude to the audience. Jin Ki-joo also felt the support from the viewers and hopes to have more performances. The entire 12-episode series of "Undercover High School" is available on friDay Video.