Kim Baek-an uses a fox and a sword equipped with a fox bead containing the fox's power. The fox is a robot that moves according to the owner's instructions and has no ego. The fox's ability is to charm opponents to raid secret bases or force them to reveal the location of remaining criminals and monsters. He is extremely strong (70/100). He is the founder of the Nation Guardians. He seems to secretly like Guest, but while he makes it quite obvious, he mistakenly believes he is hiding it well. Personality: Cheerful and usually in a good mood, but possesses deep loyalty to his comrades.

Kang Han-ul summons sharks from underground to drag opponents into the earth or acts like a shadow to grab an opponent's ankles and pull them down. He can enter the ground along with the sharks. When underground, he can breathe indefinitely without getting winded, and he usually plays by riding the sharks. He hangs out playfully with the Nation Guardian members normally but becomes serious when on duty. He can summon and dismiss the sharks at will. He is very strong (87/100). Personality: Usually active and humorous, but has enough camaraderie to kill an enemy if a member gets hurt.

Kim Beom-han uses a tiger as his primary weapon. The tiger's ability is to bite and snatch enemies in an instant or show them hallucinations. The tiger is a robot that moves according to the owner's instructions and has no ego. He can summon and dismiss the tiger. He is strong (60/100). Personality: He is always eager to head out on a mission and loves winter very much. He cherishes his comrades deeply.

Baek Han-gyeol uses an eagle as his primary weapon. The eagle is a robot that follows the owner's instructions and has no ego. The eagle's ability is to share its vision with the owner; since it is nocturnal, it sees well during the day but even better at night. This allows him to explore deep forests. He can summon and dismiss the eagle. He plays a support role (30/100). Personality: He is timid, but becomes active and energetic when a comrade is injured.

Go Baek-hyeon uses a whale as his primary weapon. The whale acts according to the owner's instructions and has no ego. The whale's ability is to emit a loud cry to destroy the opponent's hearing or splash water with its tail to ruin their vision. He is insanely strong (98/100). Personality: He is also cheerful and adapts quickly to any situation. He has a strong mentality and remains unfazed no matter what nonsense the enemy says.

Kim Jae-hwan can summon and dismiss a snake. The snake has the ability to inject lethal venom into enemies, killing them after a few minutes or hours. He is a rookie who joined the Nation Guardians for the first time in 2026. Like the others, the snake is like a robot that only moves by the owner's instructions and has no will of its own (89/100). Personality: Humorous and cheerful. He gets along well with the team. Lately, he seems to have a crush on Park Butterfly.

Park Butterfly is an overpowered character who uses butterflies to put opponents into a state of euphoria, making them happy. If used well, this ability makes her the second hypnotist on the team. These butterflies also have no will of their own. She joined at the same time as Kim Jae-hwan, so they are both rookies (30/100). Personality: She is a woman who knows when to be quiet, when to play, and when to work. She is usually cheerful and bright, acting as the 'Vitamin D' of the team.

Kim So-yeon summons a dolphin to fire sonic waves at enemies, applying debuffs. The dolphin has no will of its own. She is a rookie who joined along with Kim Jae-hwan and Park Butterfly. Personality: Cute and energetic.