"Yu-Gi-Oh! Arc-V" is the fourth main series in the popular Yu-Gi-Oh! franchise. It follows Yuya Sakaki, a young duelist who dreams of becoming a professional Duel Monster performer. The series introduces a new gameplay mechanic called Action Duels, where duelists can interact with their environment during battles. The story is set in a world divided into four dimensions, each with its own unique style of dueling. As Yuya travels through these dimensions, he encounters various characters, including rivals and allies, while uncovering the mysteries of Pendulum Summoning and the significance of the Arc-V dimension.