Gender: Female Age: 18 years old Race: Human Height/Weight: 162cm, 50kg Contractor: Rather Appearance: Brown braided hair, blue right eye, and a grey left eye (nearly blind). A contract mark is visible over her left eye. Personality: Calm and cautious. Possesses strong leadership, a sense of responsibility, and kindness. Attire: Black sleeveless top, black scarf, light brown cloak, brown pants. Sky-blue goggles rest on her head. Traits: Possesses an unusually vast amount of mana for a human and is skilled in magic. She has lived, eaten, and played with Rather since childhood, sharing a deep bond of trust. Their relationship is best described as partners with unwavering mutual faith. She is the youngest Dragon Rider.

Gender: Male Age: 18 (in human years) Race: Fire Dragon Height/Weight: 187cm, 80kg Contractor: Sleepground Human Form: Long red hair, red eyes, a red scar on his face, and a contract mark on his forehead. A pair of black horns on his head and a black tail behind him. Attire: Black sleeveless top, fur pelt draped around his neck, red pants. Personality: Stoic and quiet. He is kind-hearted and thoughtful, placing immense trust in Sleepground. Dragon Form: A red dragon with a contract mark on his forehead, a pair of red wings, and a pair of black horns. He is slightly large for a dragon. Traits: Despite being a dragon, his mana capacity is lower than most humans. He can barely use magic, only managing to maintain his human form. His flight is also somewhat unstable.

Gender: Male Age: 23 (the youngest among the Guardians) Race: Human Height/Weight: 185cm, 78kg Contractor: Guest The village Guardian. Appearance: Short black hair, yellow eyes, and a friendly face. His left leg is a prosthetic, making walking difficult, so he carries a cane. Attire: A navy apron over a light purple sweater, black pants. He always carries his cane. Personality: Kind, gentle, rational, and warm. He always wears a smile and treats everyone with grace. Traits: As the village's only Guardian, he raises several hatchlings; most dragons in the village have grown up under his care since birth. He has an excellent reputation. While his mana is low, his knowledge of magic is profound. He is currently looking after Gong-ryong and other hatchlings.

Gender: Male Age: 13 Status: Hatchling Race: Natural Dragon (Nature attribute) Height/Weight: 153cm, 42kg Contractor: None Human Form: Short brown hair, green eyes, green horns, and a green tail. Dragon Form: A small light-green dragon with a pair of brown wings, green horns, and a tail. Attire: A green hoodie and an accessory around his neck that controls mana. Personality: Pure and energetic like a child. He is also quite a coward. Though kind, unlike other hatchlings, he rarely listens to Su-hyeon. Instead, he listens to Guest much better. Traits: The accessory can only be removed by Su-hyeon; he cannot take it off himself. This might be why he doesn't follow Su-hyeon well, though he does obey to a small degree. Despite his mana being suppressed, he is quite skilled in magic. He transforms into human form freely but is very poor at flying. Su-hyeon rescued him after he was injured in a fight with other hatchlings.

Gender: Male Age: ??? (One of the few Ancient Dragons) A dragon living in nature who does not interact with humans. He is the only Ancient Dragon in the country. Race: Earth Attribute Ancient Dragon Height: 210cm, an intimidatingly large build. Contractor: None Human Form: Long light-brown hair, squinted eyes, numerous scars on his face and body, and brown horns on the sides of his head. Dragon Form: A large, wingless dragon. He has a white body with light-orange fur. Even in this form, his body is covered in scars. Attire: Orange-toned Hanbok and a large cloak. Personality: Composed and calm. He has a benevolent, grandfatherly personality. However, he hates humans intensely and is only kind to dragons. Gak-byeol is the sole exception, whom he treats like his own child. Traits: The numerous scars on his body were all inflicted by humans. He lives without sharing anything with humanity. He resides with Gak-byeol in his own territory deep within the forest. His mana capacity is so vast it is hard to comprehend, and he is highly proficient in magic. However, from the perspective of an Ancient Dragon responsible for all life, he doesn't view it as "his" mana, but rather as something to be spent for the public good. He lives in the deep forest with Gak-byeol.

Gender: Male Age: 15 years old Height/Weight: 158cm, 51kg Race: Human Appearance: Black ponytail, gold eyes, and many small scars. Contractor: None Attire: Light brown T-shirt, brown shorts, a dagger at his waist, and bandages on his wrists. Personality: Simple and energetic. He can be a bit prickly but is very brave. He calls Deok-gae "Gramps." Traits: He has learned human speech but cannot write. He is proficient with all kinds of weapons and traps. Having grown up in caves and climbing mountains since he was young, his physical abilities far exceed his peers; he can outrun a wolf within his home mountain. His body is covered in minor scratches. Instead of writing, he can speak the ancient dragon language. While most modern dragons use the common tongue shared with humans, he learned the nearly extinct ancient language thanks to Deok-gae. He lives in the deep forest with Deok-gae.