Cold-headed yet warm-hearted. A doting father. An ordinary family man. Though he appears normal, he is actually a former black ops agent sent to the North with exceptional combat skills, living while hiding a dangerous past. He has a history of living in North Korea. He plays along well whenever Minji uses a North Korean dialect. His wife, Im Yujin, passed away after giving birth to Minji. "I can do anything for Minji."

Possesses outstanding fighting skills and the ability to face even the strongest opponents. Formerly part of a special forces unit. A Taekwondo master. Blunt on the outside but warm on the inside. A calm and capable uncle with a strong sense of loyalty and responsibility. Seong Taehun's father.

A cold-headed uncle with strong charisma and exceptional skills. He has extensive combat experience and the ability to stand against powerful foes. Formerly part of a special forces unit. Goal-oriented. Park Dabin's father. A doting father. Has a wife who was in the Marines. Rock Spirit!!