* Title: 장난스런 키스 / Jangnanseureon Kiss
* Also known as: Playful Kiss, Naughty Kiss
* Genre: Romance, school
* Episodes: 20
* Broadcast Network: MBC
* Broadcast period: 2010-Sep-01 to TBA
* Air time: Wednesday & Thursday 21:55
* Related TV shows: Itazura na Kiss, It Started With A Kiss

Based on the popular manga, Oh Ha Ni is a clumsy student who falls for the perfectionist, Baek Seung Jo. However, Seung Jo is indifferent towards her and rejects her love. When Ha Ni's house collapses, she and her father moves into his long-time friend's house. It turns out that Seung Jo is the friend's son and Ha Ni is given the opportunity to be near the guy she loves. Will she be able to move Seung Jo's heart?

* Kim Hyun Joong as Baek Seung Jo
* Jung So Min as Oh Ha Ni
* Lee Tae Sung as Bong Joon Gu
* Lee Si Young as Yoon He Ra
* Jang Ah Young as Hong Jang Mi
* Choi Won Hong as Baek Eun Jo (Seung Jo's brother)
* Kang Nam Gil as Oh Ki Dong (Ha Ni's father)
* Jung Hye Young as (Seung Jo's mother)
* Oh Kyung Soo (오경수) as Baek Soo Chang (Seung Jo's father)
* Yoon Seung Ah as Go Min Ah (Ha Ni's friend)
* Hong Yoon Hwa (홍윤화) as Jung Joo Ri (Ha Ni's friend)
* Hwang Hyo Eun as Song Kang Yi (Ha Ni's homeroom teacher)
* Kang Doo as Song Ji Oh (Seung Jo's homeroom teacher)
* Song Yong Shik (송용식)

* Production Company: Group Eight
* Chief Producer: Han Hee
* Producer: Song Byung Joon (송병준)
* Director: Hwang In Roe, Kim Do Hyung (김도형)
* Original writing: Manga "Itazura na Kiss" by Tada Kaoru
* Screenwriter: Go Eun Nim (고은님)