Yu-Gi-Oh!: Takahashi Who Travels Through Time

Takahashi traveled through the duel world and obtained the duel system with all the cards, as well as the [Cthulhu who closed the world] duel elves. However, he did not violently interfere with the operation of the world, but chose to cultivate a group of protagonists from all generations and relive old dreams. As time goes by, only the spirit of duel remains immortal! [Entertainment Card Group] [Relive Old Dreams]