Faiya Orega is the main protagonist of the anime. He is a young boy with a distinctive appearance, characterized by his red hair cut to ear length and his blue eyes. His name in Japanese is presented as 俺牙 ファイヤ.

At his core, Faiya is a passionate enthusiast of Oreca competitions. His background is that of a regular boy whose life revolves around these battles, and his deep love for them serves as the foundation of his character. This ordinary life takes an extraordinary turn when he comes into contact with Pandora, a mysterious treasure chest with enigmatic powers. Through Pandora, Faiya is granted the unique and remarkable ability to summon real Oreca monsters, moving beyond the scope of a standard game to bring creatures into the real world.

His primary motivation arises from a great responsibility that comes with this new power. The peace of the Oreca world is threatened by a demon king, and Faiya is thrust into the role of the one who must confront this evil. His journey is therefore defined by a need to protect the world he loves from this looming danger. The narrative explores how he rises to this challenge, focusing on how he masters his newfound abilities and learns to work alongside the monsters he can now summon.

Key relationships for Faiya are implied to be central to the story, particularly his partnerships with the Oreca monsters themselves. The themes of friendship and courage are significant to his role, suggesting that his bonds with allies are essential to his mission. His role in the story is to be the hero who safeguards the land, and his development revolves around understanding the responsibility that accompanies great power, growing as a person while fighting to preserve peace and order. His notable ability, and the defining trait of his character, is his power to use Pandora's mystery to summon real Oreca monsters to fight alongside him.