What is the name of this 2015 South Korean martial arts/ romance period drama, starring Kim Ge-eun?
Kim Go-eun Kim Go-eun (born July 2, 1991) is a South Korean actress. She debuted in the critically acclaimed film "A Muse" (2012) where she won several Best New Actress awards in South Korea. She next appeared in the crime thrillers "Monster" (2014), "Coin Locker Girl" (2015) and "Memories of the Sword" (2015). Kim then extended her filmography to television where she played leading roles in the tvN dramas "Cheese in the Trap" (2016) and "" (2016-2017).
Kei (singer) Kim Ji-yeon (; born March 20, 1995), commonly known by her stage name Kei, is a South Korean singer and actress. She made her debut as a main vocalist of South Korean girl group Lovelyz in 2014. She made her acting debut as the female lead in the web drama "Matching! Boys Archery" in 2016.