Question: Chikku Bukku is based off of what film directed by Kwak Jae-yong?

Context paragraphs:
Chikku Bukku: Chikku Bhukku is a 2010 Tamil romance film written and directed by Manikandan, starring Arya, debutante Preetika Rao and Shriya Saran in the lead roles, with Santhanam and Anoop Kumar in supporting roles.  The film was released on 3 December 2010 to very average reviews.  The movie is based on the 2003 South Korean movie "The Classic".

My Sassy Girl: My Sassy Girl (Korean: 엽기적인 그녀 ; literally, "That Bizarre Girl") is a 2001 South Korean romantic comedy film directed by Kwak Jae-yong, starring Jun Ji-hyun and Cha Tae-hyun.

The Classic: The Classic () is a 2003 South Korean romance melodrama film directed by Kwak Jae-yong.

Windstruck: Windstruck (; lit.  "Let me introduce (you to) my girlfriend") is a 2004 South Korean romantic comedy.  It stars Jun Ji-hyun, Jang Hyuk, and was directed by Kwak Jae-yong.  The film held its premiere in Hong Kong, attended by Jang and Jun, on 28 May 2004, being the first Korean film to do so.  It was released on June 3, 2004 by CJ Entertainment and ran at 123 minutes.

Crying Out in Love: Crying Out In Love () is a 2016 Chinese romance film directed and co-written by Kwak Jae-yong, starring Oho Ou, Zhang Huiwen and Yang Zi.  The film is an adaptation of Kyoichi Katayama's 2004 novel "Socrates in Love".  It was released by Beijing Enlight Pictures on 26 August 2016.

My Mighty Princess: My Mighty Princess (; lit.  "The impossible female student") is a 2008 South Korean film directed by Kwak Jae-yong.

Time Renegades: Time Renegades () is a South Korean romantic thriller film directed by Kwak Jae-yong.  It was released in South Korea by CJ Entertainment on April 13, 2016.

Sunanda Murali Manohar: Sunanda Murali Manohar is an Indian-British film producer and entrepreneur, based in London England.  She has produced, along with her husband, Dr. J. Murali Manohar (an ENT Surgeon), several Indian, American and British films, including "Indian Summer" (British 1987), "Blood Stone" (US 1988), "Jungle Boy" (US 2001), "Tropical Heat" (US 2002), "Inferno" (US 2006), "Jeans" (1998 film), "Jeans" (Tamil 1998), "JODI" (Tamil 1999), "Minnale" (Tamil 2001), "Majnu" (Tamil 2002), "Arasatchi" (Tamil 2003), "Backwaters" (English/UK 2004), "Ramji Londonwale" (Hindi/UK 2005), "Telling Lies" (English/UK 2005), "Provoked" (English/UK 2006), "Sajni" (Kannada/ UK 2006), "Dhaam Dhoom" (Tamil 2008), "Mirattal" (2008), "Chikku Bukku" (Tamil 2010), and "Kochadaiiyaan" (2014).

Meet Miss Anxiety: Meet Miss Anxiety () is a 2014 Chinese romantic comedy film directed by Kwak Jae-yong and starring Zhou Xun and Tong Dawei.  It was released on December 12 in China.

My Girlfriend Is a Cyborg: My Girlfriend Is a Cyborg (僕の彼女はサイボーグ , Boku no Kanojo wa Saibōgu ) is a 2008 Japanese drama film directed by Kwak Jae-yong, starring Haruka Ayase and Keisuke Koide.

Supporting paragraphs: Chikku Bukku The Classic
Answer: The Classic