Question: Yeo Jin-goo played the young version of the lead role in which 2008 South Korean erotic story? 
Related documents: [0]  [DOC] 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. [END] 
[1]  [DOC] 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. [END] 
Answer: 
A Frozen Flower
A Frozen Flower