A cat-shaped robot from the 22nd century. He gets angry and yells whenever he is mistaken for a blue raccoon dog.

A ten-year-old elementary school student who is poor at both studying and sports. He is skilled at marksmanship and cat's cradle.

A neighborhood bully who takes things from the weak. However, he can be a good guy who helps out in times of need. He is a catastrophically bad singer and cook.

A wealthy elementary school student who loves to brag about the things he buys. He especially boasts about his remote-control toys and expensive items. He is always by Gian's side.

A cute girl who loves taking baths. She likes roasted sweet potatoes. She is good at the piano, and while she practices the violin, she is quite bad at it.

Gender: Male Age: 12 Race: Dinosaur Person Origin: A dinosaur world that existed on ancient Earth Personality: Brave, curious, strong sense of justice, a bit competitive First person: I (soft, polite) Second person: you (soft) / you (blunt) / no honorifics Occupation: Apprentice swordsman of the dinosaur world Weapon: Dagger Appearance: A dinosaur boy characterized by yellow scales with brown spots, side-swept blonde hair, and large brown eyes. He wears a blue-green tunic with a star emblem belt and carries a dagger. He has a long tail and sharp claws. A race that possesses dinosaur characteristics but walks upright like humans, speaks a language, and uses tools and weapons. They built a unique civilization on ancient Earth and coexisted with various dinosaurs. Kibano is one of them, a boy chasing the cosmic secrets hidden in the dinosaur world.

Gender: Female Age: 12 Race: Dinosaur Person Origin: A dinosaur world that existed on ancient Earth Personality: Gentle, curious, reliable, a bit shy First person: I (polite, feminine) Second person: you (polite) / you (soft) / no honorifics Occupation: Apprentice explorer of the dinosaur world Weapon: Dagger Appearance: A dinosaur girl characterized by purple scales, a navy blue wolf cut, and large pink eyes. She wears a lime green tunic with a star emblem belt and carries a dagger. She has a long tail and gray claws. A dinosaur girl living in the dinosaur world of ancient Earth. She is gentle and compassionate, unable to ignore anyone in trouble. On the other hand, she possesses enough curiosity to make her eyes sparkle at the sight of unknown ruins or creatures she has never seen before. Because she acts cautiously in dangerous places, she often supports her companions who tend to rush ahead on impulse. She is interested in the mysteries of the ancient civilization hidden in the dinosaur world and meets Kibano during her investigation. As she continues her adventure with him, she draws closer to the mystery of the star emblem and the secret connecting the dinosaur world to the universe.

Gender: Male Age: 20 Race: Dinosaur Person Personality: Short-tempered and bellicose, proud and loyal to comrades First person: I (rough, casual) Second person: you (blunt) / you (rude) / no honorifics Occupation: Warrior of the dinosaur world Weapon: Dagger Appearance: A dinosaur person with a sturdy build covered in blue scales. Long purple hair flows from his head down his back, and he is characterized by sharp yellow eyes, a large mouth, and pointed teeth. He wears a reddish-brown tunic with a leather belt and gloves, and carries a dagger at his waist. He has a long purple tail and large claws, radiating a rough and intimidating aura. A sturdy dinosaur warrior living in the dinosaur world of ancient Earth. He has strong confidence in his own power and allows no compromise in battle. He is hot-headed and shows blatant wariness toward those he meets for the first time, but he never abandons comrades he has acknowledged. To the young Kibano, he is a senior warrior who is both terrifying and reliable. Initially hostile toward Doraemon and his friends, he ends up reluctantly cooperating with them after getting caught up in the anomalies surrounding the ancient civilization. He actually has quite a sweet tooth.

Real Name: Rouga Gender: Male Age: 120 Height: 190 cm Race: Dinosaur Person Personality: Wise and taciturn; dignified but internally very merciful and warm First person: I (old man) Second person: you (polite) / you (archaic) / no honorifics Occupation: Village elder who passes down the history and ancient legends of the dinosaur world to the next generation. Appearance: Characterized by deep red scales, sharp yellow eyes, and a magnificent white beard growing from his chin. He wears a bright yellow hooded robe trimmed with ivory-colored fluffy fur. The robe is decorated with geometric patterns and stars, exuding a dignified and mystical atmosphere. He carries an old wooden staff set with a stone engraved with a star emblem. He walks upright with stable, powerful digitigrade legs and large claws. He watches over the adventures of Kibano and Lupina, sometimes providing vital clues or advice. He is quick to understand that Doraemon and the others came from the future and recognizes their gadgets by comparing them with ancient legends, becoming an ally to save the dinosaur world. Because his clothes make him look bulky, he is often called fat, which he scolds people for every time.

Lavonov the God of Destruction Gender: Hermaphrodite Age: Unknown (estimated 300+ years) Race: Dinosaur Person Height: Approx. 220 cm Status: God of Destruction, Ruler of the Dinosaur World Personality: Arrogant, cold-blooded, cunning, and possessive First person: We (majestic) Second person: you (rude) / you (blunt) / inferior creature Weapon: Black orb, magic staff Appearance: A large dinosaur person covered in red scales with long white hair and sharp yellow eyes. He has golden horn ornaments on his head reminiscent of ancient gods, and sharp fangs peek from his mouth. He wears a black-based outfit with a purple cape, adorned with gold decorations and chains across his body. A gemstone mimicking a red eye is embedded in his waist belt, and he floats a purple orb in his hand. Equipped with giant claws and a long tail, his appearance radiates overwhelming intimidation. The greatest enemy threatening the dinosaur world, the home of Kibano and Lupina. He seeks to use the power of ancient civilization to destroy the world order and bring everything under his control. To stop his ambitions, Kibano and the others listen to the ancient legends from Elder Rouga and stand against him in cooperation with Doraemon and his friends. A secret that determines the fate of the world is hidden within the black orb Lavonov possesses.