⁇ Couple ⁇ , in which he starred with Namgoong Min, is an authentic History based on the Qing invasion of Joseon between 1636 and Qing Dynasty. Unlike the History of the same period, which mainly deals with the stories of Injo, Sohyeonjae, and the prosecutors, Jang Hyun, who met in a village near Hanyang, and Ahn Eun-jin, the daughter of the slave, It focuses on the stories of the common people who endure the harsh war. Ahn Eun-jin was entangled with Namgoong Min in the early days, and was portrayed as a childless child. He was the first to challenge orthodox History, and while he was digging a character that is rare in History, some people came to worry that he was a miss casting. However, as the war story unfolded in earnest from the third time, the change of Ahn Eun-jin was revealed. Friend Lee Da-in, maid Park Jung-yeon, Lee Da-in's maid and pregnant woman Kwon Sang-hyun, who left Piran and played a leading role. Namgoong Min stabbed the barbarian who was trying to rape Lee Da-in with a dagger, and in Ganghwa Island, he broke through the barbarian's arrow baptism and rescued his hand (the grandson of the king). Ahn Eun-jin's active role in overcoming various crises has emerged as the core of the drama, drawing positive reviews from viewers. In order to save his friends, he reminded Jasin of pushing other Piran people, and he acted realistically in tears and suffering, leading to an evaluation that he portrayed the horrors of war better. Thanks to this, TV viewer ratings, which started at 5.4% (Nielsen Korea) on the 4th, soared to 10.6% on the 25th, the seventh time. Finally, he stood at the center of the topic, drawing a perfect romance as he realized Jasin's love for Namgoong Min. He was named second only to Namgoong Min in the category of ⁇ TV and OTT integrated topic ⁇ performers announced by Good Data Corporation.