Yu Xingran, who accidentally chased the fan, was accidentally summoned to Xindou Sano City by Takayama Yumu, and became the spirit behind Yumu who could not go back unless he became Yu-Gi-Oh. In order to be able to go home, Yu Xingran can only use Yu Meng's card boxes to connect various dimensions, use the decks of his predecessors to fight, and embark on the road to become the duel king with Yu Meng...
For me, the plot was vague at first.