In Yu-Gi-Oh, but Mechanical Ascension (1-148).

Summary

You Cheng Shi Dai expresses his determination to emulate You Feng with his HEROes. After the final duel, You Feng returns to his dorm, where he receives a mecha monster card set called "Self-Playing Symphony," including the powerful "Starlight Mechanism - Ding Ji Er Su" card. You Feng contemplates how to integrate the new cards into his decks. As the GX Tournament concludes, he prepares for a formal meeting at Kaiba Corporation, where he discusses innovative gameplay concepts with Bei Ka Si and Seto Kaiba, focusing on developing new summoning mechanics. They explore a VR Duel Disk technology that materializes card spirits for real-time dueling. Becca challenges You Feng to a duel using this new technology, leading to an exciting match where You Feng chooses to go first.

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