Lin Xun closed his eyes and opened them again, waking up to find his room had changed... no, not just his room, the whole world had changed! In the morning, the old men on the roadside were no longer playing Tai Chi, but were standing on a dueling platform, full of energy and shouting "My turn!" The students in the school were discussing who had drawn a rare card and the new card packs that had arrived at the school gate. The name of the place had become "Tongshiye City," and the most famous company was called "Kaiba Corp." This is the Yu-Gi-Oh! world! Lin Xun himself had inexplicably changed his name to "Kobayashi Hayato," and his hairstyle made him look like someone who was good at playing cards. At a loss, a voice entered Hayato's ear...