Question: Ryu Soo-young starred in what controversial film of 2001 directed by Park Jae-ho?

Context paragraphs:
Endless Love (2014 TV series): Endless Love () is a 2014 South Korean television series directed by Lee Hyun-jik and written by Na Yeon-sook, starring Hwang Jung-eum, Ryu Soo-young, and Jung Kyung-ho.  It aired on SBS from June 21 to October 26, 2014 on Saturdays and Sundays at 22:00 for 37 episodes.

Ryu Soo-young: Ryu Soo-young (born Eo Nam-seon on September 5, 1979) is a South Korean actor.  He made his first appearance on television as a college student on a cooking show in 1998, then starred in the controversial film "Summertime" (2001).  This was followed by supporting roles in TV dramas "Successful Story of a Bright Girl" (2002), "Save the Last Dance for Me" (2004), and "Lawyers of the Great Republic Korea" (2008), as well as leading roles in "18 vs. 29" (2005), "Seoul 1945" (2006), and "Bad Couple" (2007).

Seerivarum Kaalai: Seerivarum Kaalai is a South Indian Tamil film released in 2001 directed by Ramarajan and film stars himself alongside Abitha of Sethu fame.  The film also stars Manorama, Mansoor Ali Khan, Anandaraj.

Eighteen, Twenty-Nine: Eighteen, Twenty-Nine (; also known as 18 vs. 29) is a 2005 South Korean television series starring Park Sun-young and Ryu Soo-young.  Based on the Internet novel "The 4321 Days We Shared", the romantic comedy series aired on KBS2 from March 7 to April 26, 2005 on Mondays and Tuesdays at 21:55 for 16 episodes.

My Lawyer, Mr. Jo: My Lawyer, Mr. Jo (; also known as "Neighborhood Lawyer Jo Deul-ho") is a 2016 South Korean television series starring Park Shin-yang, Kang So-ra, Ryu Soo-young, Park Sol-mi.  Based on the same-titled webtoon, it aired on KBS2.

My Princess (TV series): My Princess () is a 2011 South Korean romantic comedy television series, starring Song Seung-heon, Kim Tae-hee, Park Ye-jin, and Ryu Soo-young.  It aired on MBC from January 5 to February 24, 2011 on Wednesdays and Thursdays at 21:55 for 16 episodes.

Two Weeks (TV series): Two Weeks () is a 2013 South Korean television series starring Lee Joon-gi, Kim So-yeon, Ryu Soo-young, Park Ha-sun, Kim Hye-ok, Jo Min-ki and Lee Chae-mi.  It aired on MBC from August 7 to September 26, 2013 on Wednesdays and Thursdays at 21:55 for 16 episodes.

Summertime (2001 film): Summertime (Hangul: 썸머타임 ; RR: "Sseommeotaim " ) is a 2001 South Korean film directed by Park Jae-ho and starring Ryu Soo-young and Kim Ji-hyun.  A remake of the controversial Philippine film "Scorpio Nights" (1985), the film was also inspired by the Gwangju massacre.

Seoul 1945: Seoul 1945 () is a 2006 South Korean television series starring Ryu Soo-young, Han Eun-jung, So Yoo-jin, Kim Ho-jin, and Park Sang-myun.  It aired on KBS1 from January 7 to September 10, 2006 on Saturdays and Sundays at 21:30 for 71 episodes.

Love Marriage (2001 film): Love Marriage is a South Indian Tamil film released in 2001 directed by K. Subash making it his last directorial in Tamil films.  A remake of the successful Telugu film "Swayamvaram", the film was produced by Vikram Krishna then known as Ajay, who also appeared in the lead role alongside Ranjana.  The film released on 14 December 2001 to poor reviews from critics.

Supporting paragraphs: Ryu Soo-young Summertime (2001 film)
Answer: Summertime