Oh! Youngsim

'Oh! Youngsim' is a 2023 South Korean television series starring Song Ha-yoon in the title role, along with Lee Donghae, Lee Min-jae, and Jung Woo-yeon. It is based on the characters of the 1990 Korean animated movie titled Yeongsimi, which was an adaptation of the 1988 manhwa of the same name created by Bae Geum-taek. The series is an original drama of Genie TV, and is available for streaming on its platform, and on Viki and Viu in selected regions. It also aired on ENA from May 15 to June 13, 2023, every Monday and Tuesday at 22:00 (KST).

Synopsis
Oh Young-sim and Wang Kyung-tae, childhood friends who taste the sweetness and bitterness of life as they enter their 30s, accidentally reunite after twenty years and develop a bickering romance.

Main

 * Song Ha-yoon as Oh Young-sim: an entertainment production director for eight years.
 * Lee Donghae as Wang Kyung-tae (Mark Wang): CEO of the popular startup company Kingvely.
 * Lee Min-jae as Lee Chae-dong: Young-sim's junior colleague who has a secret crush on her.
 * Ryu Hyo-young as Gu Wol-sook: Young-sim's childhood friend who is a beauty YouTuber.

Supporting

 * Song Young-jae as Oh Dae-gwang: Young-sim's father who silently supports her.
 * Wang Ji-hye as Oh Jin-sim: Young-sim's older sister.
 * Tony Ahn as Lee Woo-sang: Young-sim's brother-in-law.
 * Ga Young as Oh Soon-sim: Young-sim's younger sister.
 * Jo Yoo-ha as Lee Ji-yoo: Young-sim's niece.
 * Lee Do-yeop as Heo Gil-dong: broadcasting director of the entertainment department.
 * Moon Jeong-ki as Jang-hwan: a junior production director.
 * Lami as Sang-eun: Young-sim's junior colleague who is also a production director.

Extended

 * Heo Ga-yoon as Yeo-wool
 * Song Jae-ha as Ki-ho
 * Eom Chae-young

Special appearance

 * Hyungwon as Han Yo-han

Production
Filming of the series had completed by October 2022.

Original soundtrack
Part 1

Part 2

Part 3

Part 4

Part 5

Part 6

Part 7