Question: What is the name of this 2015 South Korean martial arts/ romance period drama, starring Kim Ge-eun?

full_context: Document 1: Jin Goo: Jin Goo (born July 20, 1980) is a South Korean actor. He won Best Supporting Actor at the Grand Bell Awards and Blue Dragon Film Awards for his role in Bong Joon-ho's 2009 noir thriller "Mother". He is also best known for his role in the critically and commercially successful series "Descendants of the Sun".
Document 2: Kim So-hyun: Kim So-hyun (; born June 4, 1999), is a South Korean actress. She began her career as a child actress in 2006 and initially gained public attention for playing a villainous young queen-to-be in "Moon Embracing the Sun" (2012) and a girl who falls into tragedy in "Missing You" (2013). She took on her first leading role in teen drama "" (2015) and since then, has starred in horror comedy "Hey Ghost, Let's Fight" (2016) and historical melodrama "" (2017).
Document 3: Monster (2014 film): Monster () is a 2014 South Korean thriller film written and directed by Hwang In-ho, starring Lee Min-ki and Kim Go-eun.
Document 4: Remember: War of the Son: Remember: War of the Son () is a South Korean television series starring Yoo Seung-ho, Park Sung-woong, Park Min-young, Namkoong Min and Jung Hye-sung. It aired on SBS from December 9, 2015 to February 18, 2016 on Wednesdays and Thursdays at 21:55 for 20 episodes.
Document 5: Kim Yoon-seok: Kim Yoon-seok (born January 21, 1968) is a South Korean actor. Kim's theater background first led him to be cast in minor roles on film and television. His breakout role came as the villain in gambling film "" (2006), but it was his performance as an ex-cop turned pimp in surprise hit "The Chaser" (2008) that brought him acting awards and stardom in his forties. Kim has since become an acclaimed leading actor, along with Choi Min-sik, Song Kang-ho, Sol Kyung-gu, Hwang Jung-min, Ha Jung-woo, in terms of acting talent and box office guarantee in Korean cinema, in films such as "Running Turtle" (2009), "The Yellow Sea" (2010), "Punch" (2011),"The Thieves" (2012), "" (2013), "Sea Fog" (2014), "The Classified File" (2015) and "The Priests" (2015).
Document 6: A Moment to Remember: A Moment to Remember (; lit. "Eraser in My Head") is a 2004 South Korean film based on the 2001 Japanese television drama "Pure Soul". It stars Son Ye-jin and Jung Woo-sung and follows the theme of discovery in a relationship and the burdens of loss caused by Alzheimer's disease.
Document 7: Memories of Murder: Memories of Murder () is a 2003 South Korean crime-drama film co-written and directed by Bong Joon-ho. It is based on the true story of Korea's first serial murders in history, which took place between 1986 and 1991 in Hwaseong, Gyeonggi Province. Song Kang-ho and Kim Sang-kyung star as Detective Park and Detective Seo, respectively, two of the detectives trying to solve the crimes.
Document 8: Memories of the Sword: Memories of the Sword (; lit. "Female Warrior: Memories of the Sword") is a 2015 South Korean martial arts/romance period drama co-written and directed by Park Heung-sik, starring Lee Byung-hun, Jeon Do-yeon and Kim Go-eun.
Document 9: Lee Byung-hun: Lee Byung-hun (Korean: 이병헌 ; born July 12, 1970) is a South Korean actor, singer and model. He has received critical acclaim for his work in a wide range of genres, most notably "Joint Security Area" (2000); "A Bittersweet Life" (2005); "The Good, the Bad, the Weird" (2008); the television series "Iris" (2009); "I Saw the Devil" (2010); and "Masquerade" (2012). His critically acclaimed film "Inside Men" (2015) won him the Best Actor prize in three prestigious award ceremonies: 52nd Baeksang Art Awards, 37th Blue Dragon Awards and 53rd Grand Bell Awards—a feat that was unbroken since 2004. Lee has five films—"Joint Security Area", "The Good, the Bad, the Weird", "Masquerade", "Inside Men" and "Master"—on the list of highest-grossing films in South Korea.
Document 10: A Bittersweet Life: A Bittersweet Life (; lit. "The Sweet Life") is a 2005 South Korean gangster action drama film written and directed by Kim Jee-woon and starring Lee Byung-hun.
Document 11: Kim Sae-ron: Kim Sae-ron (born July 31, 2000) is a South Korean actress. She began her career when she was nine years old and became a popular child star through the films "A Brand New Life" (2009) and "The Man From Nowhere" (2010). As Kim reached her teenage years, she was cast in more leading roles, notably in the film "A Girl at My Door" (2014). She has also starred in television drama series, including "Can You Hear My Heart" (2011), "The Queen's Classroom" (2013) and "Hi! School-Love On" (2014). Her first adult lead role was in the television drama "Mirror of the Witch" (2016).
Document 12: Moon Chae-won: Moon Chae-won (born November 13, 1986) is a South Korean actress. Moon first attracted attention in 2008 in her supporting role as a gisaeng in "Painter of the Wind". She was next cast in "Brilliant Legacy", one of the top-rated Korean dramas of 2009. 2011 marked Moon's career breakthrough, with leading roles in the television period drama "The Princess' Man" and the action blockbuster "War of the Arrows"; both were critical and commercial hits. For her performance in the latter, Moon won Best New Actress at the Grand Bell Awards and the Blue Dragon Film Awards. Moon's other notable television series include the revenge melodrama "The Innocent Man" (2012) and the humanistic medical drama "Good Doctor" (2013).
Document 13: Lee El: Lee El (born Kim Ji-Hyun on August 26, 1982) is a South Korean actress. She is best known as Lee Byung-Hun's ill fated love interest in the movie "Inside Men", as well as supporting roles in the MBC's series "Monster" and the tvN's series "".
Document 14: Lee Young-ae: Lee Young-ae (born January 31, 1971) is a South Korean actress. She is known for her appearances in the Korean historical drama "Dae Jang Geum" (2003), and as a revenge seeking single mother in Park Chan-wook's crime thriller film "Sympathy for Lady Vengeance" (2005).
Document 15: 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).
ground_truth: Memories of the Sword