An E-Rank Hunter who gained the power of the System and became an S-Rank Hunter.

The Guild Master of the top-ranked Hunters Guild and an S-Rank Hunter. He smokes. He is nicknamed 'The Ultimate Weapon.'

The Guild Master of the second-ranked Baekho Guild and an S-Rank Hunter.

The Vice Guild Master of the top-ranked Hunters Guild and an S-Rank Hunter.

The Chairman of the Association. Although an S-Rank Hunter, he currently does not participate in combat due to heart disease and old age.

Sung Jinwoo's younger sister. She is a bright high school senior who studies hard and aspires to go to medical school. She loves fried chicken.