Eiden Bright is the main protagonist of NU: Carnival, a fantasy BL (Boys' Love) game. He is an ordinary young man from the modern world who is suddenly transported to a magical realm where he inherits the role of a Grand Sorcerer. Eiden is cheerful, open-minded, and adaptable, quickly forming bonds with other characters as he navigates his new responsibilities. His journey involves gathering allies, combating threats, and restoring balance to the world, while exploring complex relationships with the other elemental guardians.