Actor Kwon Sang Woo talked about the difficulties with filming for the drama "Yawang."

The set of "Yawang" was shown on SBS "Good Morning" which aired on February 5th.

Kwon Sang Woo said, "I sleep about two hours in a day. It's okay not being able to sleep. I really dislike like the cold." Kim Sung Ryung said, "Kwon Sang Woo gets cold easily. He uses about 10 hot packs."

Kwon Sang Woo said, "there's a scene where Kim Sung Ryung senior passes by me in a car and talks with me when I'm outside. I was really cold then." Kim Sung Ryung said, "he was so cold that his nose was running."

During this episode, Kim Sung Ryung also talked about how she maintains her figure.