Chef Yoon Nam-no recently appeared on the YouTube channel 'Jang Gong Jang Jang Yoon-jung' to showcase his new restaurant located in Apgujeong, Seoul. During a visit by Jang Yoon-jung and her agency staff, it was revealed that the chef has lost significant weight since opening the establishment. Yoon confessed that he has been suffering from extreme stress due to the operation of the restaurant, for which he took out a 600 million won loan. Despite usually having a body type that does not lose weight easily, the pressure and lack of rest have led to his recent physical transformation. | Chef Yoon Nam-no recently appeared on the YouTube channel 'Jang Gong Jang Jang Yoon-jung' to showcase his new restaurant located in Apgujeong, Seoul. During a visit by Jang Yoon-jung and her agency staff, it was revealed that the chef has lost significant weight since opening the establishment. Yoon confessed that he has been suffering from extreme stress due to the operation of the restaurant, for which he took out a 600 million won loan. Despite usually having a body type that does not lose weight easily, the pressure and lack of rest have led to his recent physical transformation.