Lin Sun's eyes opened and closed, and upon waking up, he found that his room had undergone a 'billion' changes... No, it wasn't just his room; the entire world had changed! In the morning, the elderly men by the roadside no longer practiced slow Tai Chi but instead stood in front of a duel platform, looking radiant and shouting 'My turn!' with great vigor. The topics of discussion among his classmates at school had also changed to 'who opened a rare card' and 'a new batch of card packs arrived at the entrance.' The name of the place had become 'Domino City,' and the most famous local company was called 'Kaiba Corporation'... This was the world of Yu-Gi-Oh! Even Lin Sun himself had mysteriously changed his name to 'Shunjin Lin,' and his hairstyle now looked like that of a skilled card player. In a daze, a voice reached Shunjin's ears—