Yu-Gi-Oh: Who Asked Him to Play the Underworld Deck?

Su Yu traveled to the world of Yu-Gi-Oh GX and became an ordinary student of Duel Academy. But the duel environment in this era is really too simple! Everyone fights with high-attack monsters, and the tactics are straightforward, as warm as the sun. As a result, a "Duel Demon" was born that was dedicated to making it impossible for opponents to play the game normally. Cutting cards, shutting down the newspaper, ultimate blockade... A series of underworld card groups, making countless duelists break their defenses on the spot and doubt their lives. Relying on the card builder system and the supreme power of "Alchemy Seal Card", he climbed to the top step by step. Conquer the three phantoms and control chaos and light; create a laboratory and define the rules of the future in advance! Years later, when someone asked him about his dueling philosophy... Judai Yujo: "Su Yu, dueling can bring happiness!" Su Yu pointed at his opponents with tears streaming down their faces and distorted smiles: "Look, my opponents are smiling so happily!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.