as Kyung Jae learns the cold hard truth on the upcoming episode of Big! Clearly we’re getting tears, plus plenty of anger and recriminations, all of which will be well-deserved coming from Kyung Joon towards his no-good parents. According to the news article, Gong Yoo as Kyung Jae learns the truth about his parentage and the soul switch secret hidden in the Miracle book, thereby falling into a uncertainty. Despite Da Ran and Kyung Jae confirming their feelings for each other, and spending a happy birthday together, their happiness is short lived. Once Kyung Jae discovers the secrets, he falls into a heart breaking despair and confusion and uncertainty about his future. The filming has been non-step on this drama, and production team members saw how into character Gong Yoo was as Kyung Jae and worried for his stamina as he conveyed the tears and hurt felt by Kyung Jae. Before we saw happy and falling-in-love Kyung Jae, now we’re going to see the tearful and in pain Kyung Jae. Gong Yoo’s acting has been garnering praises from the media and even the production team expressed their admiration for how hard he worked and how incredible his acting was in playing two characters.