Question: In what film by director Sohn Young-sung did Kim Sung-ryung have a supporting role in before "Mr. XXX-Kisser?"

Context paragraphs:
Kim Sung-ryung: Kim Sung-ryung (born February 8, 1967) is a South Korean actress.  After winning the Miss Korea beauty pageant in 1988 (she later represented her country at the Miss Universe 1989 pageant), Kim began her career as a reporter on KBS's showbiz news program "".  In 1991, she made a memorable film acting debut in Kang Woo-suk's "Who Saw the Dragon's Claws?" , though she became more active in television in the next decade.  She returned to the big screen in 2007, with notable supporting roles in "Shadows in the Palace", and "Rainbow Eyes", followed by "The Client" (2011), "Mr. XXX-Kisser" (2012), "The Fatal Encounter" (2014), and "The Target" (2014).  As she entered her forties, Kim also became known for the television dramas "You're Beautiful" (2009), "The Chaser" (2012), "Yawang" (2013), "The Heirs" (2013), and "Queen's Flower" (2015).

How to Meet a Perfect Neighbor: How to Meet a Perfect Neighbor () is a 2007 South Korean television series starring Kim Seung-woo, Bae Doona, Park Si-hoo, Wang Ji-hye, Son Hyun-joo and Kim Sung-ryung.  It aired on SBS from July 25 to September 27, 2007 on Wednesdays and Thursdays at 21:55 for 20 episodes.

Mrs. Cop 2: Mrs. Cop 2 () is a 2016 South Korean drama series starring Kim Sung-ryung and Kim Min-jong.

Kim Sung-kyung: Kim Sung-kyung (born February 15, 1972) is a South Korean television personality and actress.  Kim joined the broadcasting network SBS in 1993 as a news presenter, notably as the weekend anchor for the "SBS Eight O'Clock News".  She left SBS in 2002 to go freelance, and also became a planning director for the "edutainment" company SangSang and I in 2007.  Kim made her acting debut in 2014 (her older sister is actress Kim Sung-ryung), and has appeared in Korean dramas such as "City of the Sun" (2015).

The Client (2011 film): The Client () is a 2011 South Korean courtroom thriller film director by Sohn Young-sung.

Sung Dong-il: Sung Dong-il (born April 27, 1967) is a South Korean actor.  Sung made his acting debut in theater in 1987, then was recruited at the 1991 SBS open talent auditions.  He rose to fame as the comic, Jeolla dialect-speaking character "Red Socks" in the television drama "Eun-shil", though he later tried to fight typecasting by playing the son of a chaebol tycoon in "Love In 3 Colors" and a university professor in "March".  Following years of supporting roles in TV, Sung's film career was jumpstarted by hit romantic comedy "200 Pounds Beauty" in 2006.  Subsequently, he became one of Korean cinema's most reliable supporting actors, displaying his comic skills and easy charm in films such as "Take Off", "Foxy Festival", "Children...", "The Suicide Forecast", and "The Client".  He also had major roles in "The Suck Up Project: Mr. XXX-Kisser", 3D blockbuster "Mr. Go", and mystery-comedy "The Accidental Detective".  On the small screen, Sung garnered praise as a villain in "The Slave Hunters", and a gruff but caring father in "Reply 1997" and its spin-offs "Reply 1994" and "Reply 1988".

Song Sae-byeok: Song Sae-byeok (born December 26, 1979) is a South Korean actor.  After gaining attention as a supporting actor in "The Servant" (2010), Song played the leading roles in the comedies "Meet the In-Laws" (2011) and "The Suck Up Project: Mr. XXX-Kisser" (2012).

Definitely Neighbors: Definitely Neighbors (; also known as "Neighbor Enemies") is a 2010 South Korean television drama starring Son Hyun-joo, Yoo Ho-jeong, Kim Sung-ryung and Shin Sung-rok.  It aired on SBS from March 13 to October 31, 2010 on Saturdays and Sundays at 20:50 for 65 episodes.

The Target (film): The Target () is a 2014 South Korean action-thriller film starring Ryu Seung-ryong, Lee Jin-wook, Yoo Jun-sang and Kim Sung-ryung, and directed by Yoon Hong-seung (who also goes by the pseudonym Chang).  It is a remake of the 2010 French film "Point Blank".

My World Only: My World Only is an upcoming South Korean drama film directed by Choi Sung-hyun.  The film stars Lee Byung-hun, Youn Yuh-jung, Park Jung-min, Han Ji-min and Kim Sung-ryung.

Supporting paragraphs: Kim Sung-ryung The Client (2011 film)
Answer: The Client