There is no biography for О Се Ын yet.
Show · 2019
Show · 2024
Show · 2026
Show · 2023
Show · 2020
2026
as Kumdo Club Student
2024
as Song Jae-hyung · 10 episodes
2023
as Hong Jun Hee · 10 episodes
2020
as Song Je-in · 2 episodes
2019
as Yoo Min · 12 episodes
as Student
2010
as Cha Hyeon Ji
