Lee Seong-Chul is a doctor and Director at the Ilsin Hospital. He's the one in charge of the hospital and the superior to the Doctors responsible for taking care of Sung Jin-Woo's mother.


Initially, he wanted to use Jin-Woo's mother to propel his hospital's glory, asking her to stay and figure out how her Eternal Sleep disease was cured. But upon realizing that Jin-Woo, the son of the woman he wanted to use was an S-Rank hunter, he immediately discarded his plan fearing the retaliation of an S-Ranker.

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