Yu Han Sung
from Tower of GodSupporting
Yu Han Sung is an Advanced Ranker and the former Test Director of the Second Floor.
About Yu
Yu Han Sung is an Advanced Ranker and the former Test Director of the Second Floor. Notably, he is a key member of FUG in taking Viole to the top. He is the main antagonist of Part I. He is a well known ranker partly because he rejected becoming a High Ranker.