TV Shows (As Crew)
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
SPY x FAMILY
Lee Seong-yeon was ? in SPY x FAMILY as 'Production Assistant'.TV Show Released: First Air Date
Sat, Apr 09 2022

A Place Further Than the Universe
Lee Seong-yeon was ? in A Place Further Than the Universe as 'Production Assistant'.TV Show Released: First Air Date
Tue, Jan 02 2018

Sakura Quest
Lee Seong-yeon was ? in Sakura Quest as 'Key Animation, Production Manager'.TV Show Released: First Air Date
Thu, Apr 06 2017