Who let him play Yu-Gi-Oh! (1-460).

Summary

You Xuan successfully upgrades a card called "Dual Bicycle Mechanic," demonstrating its development potential despite its initial weaknesses. Da De Shi, impressed by You Xuan's talent in card creation, suggests he consider becoming a professor. You Xuan presents two more upgraded cards: "Carbon Dragon," which allows for more versatile summoning, and "Ritual of the Mechanical Angel," which gains a protective effect. He seeks to establish a research laboratory at the academy, a request that surprises Da De Shi. As You Xuan prepares for a team duel with Shi Dai, excitement builds among students and teachers, especially with the unexpected appearance of legendary duelists, the Mi Gong Xiong Di, as their opponents.

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