Question: What South Korean television series what model and actor Kim Woo-bin's first leading role on television?

Context articles: White Christmas (TV series)
The Con Artists (2014 film)
Kim Nam-joo
Kim Woo-bin
Master (2016 film)
Lee Hyun-woo (actor)
The Heirs
Uncontrollably Fond
Yoo Da-in
Queen In-hyun's Man

White Christmas () is a 2011 South Korean television series starring Kim Sang-kyung, Baek Sung-hyun, and a cast of then-rookie actors, namely Kim Young-kwang, Lee Soo-hyuk, Kwak Jung-wook, Hong Jong-hyun, Esom, Kim Woo-bin, Sung Joon, Jung Suk-won, and Lee El.
 Written by Park Yeon-seon and directed by Kim Yong-soo, it aired as part of the Drama Special anthology series on KBS2 from January 30 to March 20, 2011 on Sundays at 23:15 for 8 episodes.
The Con Artists (; lit.
 "The Technicians") is a 2014 South Korean heist film directed by Kim Hong-sun, and starring Kim Woo-bin, Lee Hyun-woo, and Ko Chang-seok.
Kim Nam-joo (born May 10, 1971) is a South Korean actress.
 Kim rose to stardom in the 1990s in television series such as "Model", "The Boss" and "Her House".
 After 2001, Kim went into semi-retirement, only appearing in commercials, particularly after she got married to actor Kim Seung-woo in 2005 and they started a family.
 Then in 2009, she made her comeback with "Queen of Housewives", written by Park Ji-eun.
 "Housewives" was a ratings hit, and Kim went on to collaborate with Park on "Queen of Reversals" (2010), and "My Husband Got a Family" (the number one top-rated program on Korean television for the entire year of 2012), and the series' success established Kim's continuing star status.
Kim Woo-bin (born Kim Hyun-joong on July 16, 1989) is a South Korean model and actor.
 He began his career as a runway model and made his acting debut in the television drama "White Christmas".
 He subsequently gained attention in "A Gentleman's Dignity" (2012), and made his breakthrough with "School 2013" (2012-2013) and "The Heirs" (2013).
 Kim later starred in box office hits "" (2013), "The Con Artists" (2014) and "Twenty" (2015).
 In 2016, he took on his first leading role on television in "Uncontrollably Fond".
Master (Hangul: 마스터 ; RR: "Maseuteo " ) is a South Korean crime-action film starring Lee Byung-hun, Kang Dong-won and Kim Woo-bin.
Lee Hyun-woo (born March 23, 1993) is a South Korean actor and singer.
 He began his career as a child actor when he was nine, and later appeared in the television series "The Return of Iljimae" (2009) and "Queen Seondeok" (2009).
 He was also featured in "Master of Study" (2010) and "To the Beautiful You" (2012).
 Lee gained recognition with his role as a North Korean spy in the 2013 film "Secretly, Greatly" as well as a genius hacker in 2014's "The Con Artists".
 In 2016, he landed his first leading role in KBS2's "Moorim School".
 In 2017, he starred in his second leading role in tvN's "The Liar and His Lover", alongside Red Velvet's Joy
The Heirs (왕관을 쓰려는 자, 그 무게를 견뎌라 – 상속자들 ), also known as The Inheritors, is a South Korean television series starring Lee Min-ho, Park Shin-hye and Kim Woo-bin.
 Written by Kim Eun-sook, the trendy drama is set in a high school populated by the privileged and uber-rich.
 It aired on SBS from October 9 to December 12, 2013 on Wednesdays and Thursdays at 22:00 for 20 episodes.
Uncontrollably Fond () is a South Korean television series starring Kim Woo-bin and Bae Suzy.
 It aired every Wednesdays and Thursdays on KBS2 at 21:55 from July 6 to September 8, 2016.
Yoo Da-in (born Ma Young-seon on February 9, 1984) is a South Korean actress.
 She is best known for her nuanced performance in the critically acclaimed indie film "Re-encounter", her first leading role.
 In 2016, she played a supporting role in South Korean television series "Doctor Crush".
Queen In-hyun's Man () is a 2012 South Korean television series starring Ji Hyun-woo and Yoo In-na.
 The story centers around obscure actress Choi Hee-jin (played by Yoo In-na, in her first leading role) who falls in love with Kim Bung-do (played by Ji Hyun-woo), a time-traveling scholar from the Joseon Dynasty (1392-1910) who jumps 300 years into the future to the 21st century.