Watch S Diary (2004)
Genre: Romance Comedy
Director: Jong-kwan Kwon
Stars: Seon-a Kim Su-ro Kim Hyeon-woo Lee Yoo Gong Mun-hee Na Kwang-il Kim Sun-yeong Ahn Hyuk Jang Jae-hyeong Jeon Mi-Kyeong Kim Yeong-im Kim Chan-ho Lee Sang-min Woo
Synopsis: (Korean with English subtitles) Jini gets dumped by her boyfriend with the final note saying he was only interested in having sex with her but not in a lasting relationship. This triggers her to go back and investigate her previous relationships and ultimately to gain revenge on her ex-boyfriends - a religious prude, a macho alpha male and a brooding artist.