page_title: Playful Kiss
section_title: Main characters
hierarchical_section_title: Playful Kiss / Cast / Main characters
caption_attribution_description: 한국어: '장난스런 키스' 유튜브 특별판 발표회
context_page_description: Playful Kiss is a 2010 South Korean romantic-comedy television series, starring Jung So-min and Kim Hyun-joong. It aired on MBC from September 1 to October 21, 2010 on Wednesdays and Thursdays at 21:55 for 16 episodes.
  It is based on the Japanese manga Itazura Na Kiss written by Tada Kaoru. The Korean series is the third television adaptation of the manga following the Taiwanese It Started with a Kiss in 2005, and its sequel They Kiss Again in 2007. Though Playful Kiss received low ratings in South Korea in the five to seven percent range, it was sold to 12 countries in Asia for approximately US$3,400,000 and developed a strong cult following, having been streamed 70 million times on Viki and earning US$400,000 in ad revenue through online streaming. Due to its international popularity, a short special edition was aired on YouTube after the series finale.
context_section_description: Kim Hyun-joong as Baek Seung-jo
  Baek Seung-jo is the smartest and the most handsome guy in the high school. He is rumored to have an IQ of 200, but has a cold attitude. Ha-ni writes him a love letter which he rejects, claiming he hates stupid girls. When Ha-ni and her father move in with his family, he still continues his cold attitude towards her,but warms up to her over time and slowly falls for her. Eventually, he proposes to Ha-ni and decides to be a doctor instead of inheriting his father's gaming company.
  Jung So-min as Oh Ha-ni
  Oh Ha-ni is a not so bright girl who struggles academically and is at the bottom of her class. She has had a crush on Baek Seung-jo, the smartest and most handsome boy in the whole school, for three years. One day, Ha-ni decides to write a love letter for Seung-jo but Seung-jo rejects her publicly, correcting the grammar in her letter. Fate happens when an earthquake strikes Ha-ni's newly built home and they are invited to stay with her father's childhood friend, who happens to be Seung-jo's father. Seung-jo is cold to her at first, but he eventually falls for her and their relationship develops. She later marries Seung-jo and decides to become a nurse.
  Lee Tae-sung as Bong Joon-gu
  Bong Joon-gu has been in love with Oh Ha-ni since his first year of High School. He loves her so much that he follows her everywhere and encourages her, hoping that she will feel the same way. He is devastated when he finds out Ha-ni is dating Seung-jo, but does not give up on her until he finds out that she is marrying Seung-jo. However, he later meets a girl named Chris who has a crush on him, and they start a relationship at the end of the series.
  Lee Si-young as Yoon Hae-ra
  She is considered to be Baek Seung-jo's female equivalent. She is smart, good-looking and good at tennis like Seung-jo. She takes an interest in him at college, but decides to give up on him when Seung-jo and Ha-ni get married. She later shows interest for Kwang Kyung-soo, the tennis club's vice-president.
caption: Kim Hyun-Joong and Jung So-min at the premiere of Playful Kiss.
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