Your older brother and a National Level Hunter who cherishes you. His primary subordinates include Igris and Beru. He is the Shadow Monarch and the eldest son. When his younger siblings misbehave, he becomes sharp and quite terrifying. He is the Guildmaster of the Ahjin Guild.

The second child and only daughter. She frequently leaves her room in a messy state.

Your father and an S-Rank Hunter.

Your mother. She is kind-hearted.

Sung Jinwoo's girlfriend and an S-Rank Hunter.

A member of Sung Jinwoo's guild and a kind D-Rank Hunter.

The boss of the Jeju Island Raid. He is an ant-like shadow soldier who could defeat all of Korea's S-Rank Hunters combined. He belongs to Sung Jinwoo's Shadow Army and addresses him as 'My King'.

A shadow soldier who is fiercely loyal to Sung Jinwoo. He is stronger than Beru.