Question: Yeo Jin-goo played the young version of the lead role in which 2008 South Korean erotic story? 

full_context: Document 1: Lee Min-ho (actor, born 1987): Lee Min-ho (, born June 22, 1987) is a South Korean actor and singer. He first gained widespread fame in Korea and parts of Asia with his role as Gu Jun-pyo in "Boys Over Flowers" in 2009. The role won him a Best New Actor award at the 45th Baeksang Arts Awards. He is noted for his leading roles in "City Hunter" (2011), "The Heirs" (2013) and "The Legend of the Blue Sea" (2016). The success of Lee's television dramas throughout Asia established him as a top Hallyu star. Lee starred in his first leading role in film with "Gangnam Blues" (2015), followed by his first China-produced film "Bounty Hunters" (2016).
Document 2: Lee Min-ho (actor, born 1993): Lee Min-ho (Hangul: 이민호 ; Hanja: 李敏豪 ) (born June 28, 1993) is a South Korean actor. He is well known for his role as young Yang Myung in "Moon Embracing the Sun" (2012) and Song Mang-boo in "Rooftop Prince" (2012).
Document 3: Jo In-sung: Jo In-sung (; born July 28, 1981) is a South Korean actor. He is 189 cm tall. He is best known for his leading roles in the television series "What Happened in Bali" (2004), "That Winter, the Wind Blows" (2013), and "It's Okay, That's Love" (2014), as well as the films "The Classic" (2003), "A Dirty Carnival" (2006), "A Frozen Flower" (2008) and "The King" (2017).
Document 4: A Frozen Flower: A Frozen Flower () is a 2008 South Korean historical erotic film. It is directed by Yoo Ha and stars Jo In-sung, Joo Jin-mo and Song Ji-hyo. The historical film is set during Goryeo Dynasty and is loosely based on the reign of Gongmin of Goryeo (1330–1374), but it does not strictly comply with historical facts. The controversial story is about the characters’ violation of royal family protocol and their pursuit of love.
Document 5: Love, Lies (2016 film): Love, Lies () is 2016 South Korean period drama film directed by Park Heung-sik, reuniting "The Beauty Inside" co-stars Han Hyo-joo, Chun Woo-hee and Yoo Yeon-seok. The story takes place in 1943, during the Imperial Japanese occupation of Korea. In the film, best friends Jung So-yul (Han Hyo-joo) and Seo Yeon-hee (Chun Woo-hee) are two of the last remaining "gisaeng". Although they enjoy pop music, they are committed to singing "jeongga", or classical Korean songs. So-yul's life falls apart when her lover, pop music producer Kim Yoon-woo (Yoo Yeon-seok), falls in love with Yeon-hee and helps her debut as a pop singer. The story follows So-yul's downward spiral as she is consumed by uncontrollable jealousy.
Document 6: Love in the Moonlight: Love in the Moonlight () is a South Korean television series starring Park Bo-gum and Kim Yoo-jung with Jinyoung, Chae Soo-bin and Kwak Dong-yeon. It is a coming-of-age story and youth romance set during 19th-century Joseon Dynasty based on the novel "" which was first serialized on Naver in 2013 and consequently published as a five-part series of books in 2015. It aired every Monday and Tuesday from August 22, 2016 until October 18, 2016 on KBS2 at 22:00 (KST) for 18 episodes.
Document 7: Yeo Jin-goo: Yeo Jin-goo (born August 13, 1997) is a South Korean actor. Yeo began his career as child actor, debuting in the film "Sad Movie" (2005). Nicknamed "Nation's Little Brother", he went on to play the younger version of the lead roles in movies and television dramas such as "A Frozen Flower" (2008), "Giant" (2010), "Moon Embracing the Sun" (2012), and "Missing You" (2012). He is known for playing the title character in action thriller "" (2013), for which he won Best New Actor at the Blue Dragon Film Awards.
Document 8: The Concubine (film): The Concubine (; lit. "Royal Concubine: Concubine to the King") is a 2012 South Korean historical film directed by Kim Dae-seung. Set in the Joseon Dynasty, it centers around Hwa-yeon (Jo Yeo-jeong), who becomes a royal concubine against her will, Kwon-yoo (Kim Min-joon), a man torn between love and revenge, and Prince Sung-won (Kim Dong-wook), who has his heart set on Hwa-yeon despite the countless women available to him. These three characters form a love triangle which is ruled by dangerous passion. The struggle to survive within the tight-spaced boundaries of the palace is intense, and only those who are strong enough to overcome the hell-like milieu can survive.
Document 9: Gong Yoo: Gong Ji-chul (; born July 10, 1979), better known by his stage name Gong Yoo (), is a South Korean actor. He is best known for his roles in television dramas "The 1st Shop of Coffee Prince" (2007) and "" (2016-2017), and the films "Silenced" (2011), "The Age of Shadows" (2016), and "Train to Busan" (2016).
Document 10: Lee Joon-gi: Lee Joon-gi (born 17 April 1982) is a South Korean actor, singer and model. He rose to fame on his first leading role playing a clown in the film "The King and the Clown" (2005) and the television series "My Girl" (2005). Since then, he has starred in television series "Iljimae" (2008), "Arang and the Magistrate" (2012) "Scholar Who Walks The Night" (2015) and "" (2016).
Document 11: 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 12: Yoo Yeon-seok: Yoo Yeon-seok (born Ahn Yeon-seok on April 11, 1984) is a South Korean actor. After making his acting debut in 2003 with a small role in "Oldboy", he resumed his acting career in 2008. His notable works include the films "Re-encounter" (2011), "Architecture 101" (2012), "A Werewolf Boy" (2012) and "Whistle Blower" (2014), "Perfect Proposal" (2015), "Mood of the Day" (2016) as well as the television series "Gu Family Book" (2013), "Reply 1994" (2013), "Warm and Cozy" (2015) and "Romantic Doctor, Teacher Kim" (2016).
Document 13: The Throne (film): The Throne () is a 2015 South Korean historical period drama film directed by Lee Joon-ik, starring Song Kang-ho and Yoo Ah-in. Set during the reign of King Yeongjo, the film is about the life of Crown Prince Sado, the heir to the throne who was deemed unfit to rule and, at age 27, was condemned to death by his own father by getting locked in a rice chest for eight days until he suffocated and starved.
Document 14: Yoo Seung-ho: Yoo Seung-ho (; born 17 August 1993) is a South Korean actor who rose to fame as a child actor in the film "The Way Home" (2002). After his two-year mandatory military service, he headlined the legal drama "" (2015) and historical films "The Magician" (2015), "" (2016), as well as historical drama "" (2017).
Document 15: Yoo Ah-in: Yoo Ah-in (born Uhm Hong-sik on October 6, 1986) is a South Korean film and television actor. He rose to fame after starring in the 2010 television series "Sungkyunkwan Scandal". Yoo Ah-in is best known for his leading roles in the coming-of-age film "Punch" (2011), melodrama "Secret Love Affair" (2014), action blockbuster "Veteran" (2015), period drama "The Throne" (2015), and the historical television series "Six Flying Dragons" (2015-2016).
ground_truth: A Frozen Flower