Bubble Gum (2015)
Park Ri-hwan (Lee Dong-wook) comes from a wealthy family and he now works as an oriental medical doctor in his own clinic. He grew up with his best friend since childhood, Kim Haeng-ah (Jung Ryeo-won) who works as a radio producer. Haeng-ah's parents both died when she was young and she was taken care by Ri-hwan's mother after her father's death.
Both Ri-hwan and Haeng-ah had feelings for each other but Haeng-ah is taking things slowly due to Ri-hwan's mother who does not want them to be together. The story also involves a chaebol, Yi-seul (Park Hee-von) who has feelings for Ri-hwan and Haeng-ah's ex-boyfriend, who is also her senior/director of the company she works in, who wants her back.
Bubble Gum is a South Korean television series starring Lee Dong-wook, Jung Ryeo-won, Lee Jong-hyuk and Park Hee-von. It airs on tvN on Mondays and Tuesdays at 23:00 (KST) time slot beginning October 26, 2015.