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

Summary

You Feng successfully defeats the three Phantom Beasts using a powerful monster card, unlocking a new card set called "Time Mechanical Deity," which includes the ultimate monster, "Ultimate Time Machine Deity - Sephiron." Following the battle, Duel Academy undergoes rapid repairs under Kaiba Seto's supervision, and classes resume. You Feng receives an invitation from Bei Ka Si to participate in developing a new summoning mode. As the semester ends, an examination is held, focusing on practical combat, leading to You Cheng Shi Dai defeating Professor Kuros. Excited about his new M-HERO deck, You Cheng Shi Dai engages with You Feng, who encourages him to find the core power of his deck. The chapter concludes with preparations for a cosplay duel, featuring extravagant outfits and humorous interactions among the characters.

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