Rama Rao Jr.'s first leading role came opposite Raveena Rajput in "Ninnu Choodalani" (2001), a romantic drama directed by V. R. Prathap, for which Rao was heavily criticized, mainly for his looks and acting ability.
 Later that same year, he had similar roles in two coming-of-age romantic dramas, wherein he portrayed college-going students: "Student No. 1" and "Subbu", the former being his major break into Tollywood.
 2002 marked a turning point in his career, with two low-budget films, "Aadi" and "Allari Ramudu", becoming box-office hits.
 The former, an action drama, received highly positive reviews, with critics marking the improvement in his performance, while the latter, a melodrama, received mixed reviews, but did well at the box office.
 "Aadi" also did well financially, becoming the third highest-grossing film of 2002.
 He acted in two films in 2003, "Naaga", and "Simhadri".
 While the former was a forgettable film, the latter became a huge blockbuster.
 The success of "Simhadri" not only cemented his position in Tollywood, but also led to him selecting scripts with similar roles.
 He followed this success by portraying leading roles in a series of critical and commercial failures, including "Andhrawala" (2004), "Samba" (2004), "Naa Alludu" (2005), "Narasimhudu" (2005), and "Ashok" (2006), leading critics to believe that his career was over.
 However, in 2006, his career prospects improved when he played the role of Ramakrishna, an unemployed youngster avenging his sister's death, in director Krishna Vamsi's drama thriller "Rakhi".
 The film received highly positive reviews from critics, with many terming it as his finest performance.
 Subsequently, it was declared a hit at the box office.
Kim Yoo-jung (; born September 22, 1999) is a South Korean actress.
 After her acting debut in 2003, she became one of the best known child actresses in Korea and since then, has transitioned into teen roles by starring in television series "Moon Embracing the Sun" (2012), "May Queen" (2012) and "Angry Mom" (2015).
 She hosted music show "Inkigayo" from November 2014 to April 2016 and took on her first adult leading role in KBS2's historical drama "Love in the Moonlight" (2016).
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
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".
Rani Mukerji is an Indian actress known for her work in Bollywood films.
 She made her screen debut with a supporting role in "Biyer Phool" (1996), a Bengali film directed by her father Ram Mukherjee.
 Her first leading role was that of a rape victim in the 1997 social drama "Raja Ki Aayegi Baraat", for which she won a special jury trophy at the Screen Awards ceremony.
 In 1998 she received wider recognition for her role alongside Aamir Khan in the action film "Ghulam".
 Later that year, her breakthrough role as the romantic interest of Shah Rukh Khan's character in the romantic drama "Kuch Kuch Hota Hai" earned Mukerji her first Filmfare Award in the Best Supporting Actress category.
 She followed this initial success by portraying the leading lady in several films, including the comedy film "Hello Brother" (1999) and the drama "" (2001), none of which helped propel her career forward.
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).
Grudge: The Revolt of Gumiho (; lit.
 Gumiho: Tale of the Fox's Child) is a 2010 South Korean television series starring Han Eun-jung, Jang Hyun-sung, Kim Yoo-jung and Seo Shin-ae.
 It aired on KBS2 from July 5 to August 24, 2010 on Mondays and Tuesdays at 21:55 for 18 episodes.
Jeon So-min (; born April 7, 1986) is a South Korean actress.
 She made her debut in 2004 MBC sitcom called "Miracle".
 In 2013, Jeon played her first leading role in the MBC television series "Princess Aurora".
 She received recognition from her role in the drama and won the "Best New Actress Award" in 2013 MBC Drama Awards.
 Her other performances as a leading role include in "1% of Anything (2016 TV series)" and "Tomorrow Victory (2015 TV series)".
Gu Family Book (; also known as Kang Chi, the Beginning) is a 2013 South Korean television series starring Lee Seung-gi and Bae Suzy.
 The fusion martial arts action historical drama is about a half man-half monster who is searching for a centuries-old book that according to gumiho legend, contains the secret to becoming human.
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).

Question: Kim Yoo-jun, star of Grudge: The Revolt of Gumiho, took her first leading role in what historical drama in 2016?
Answer: Love in the Moonlight