Yu-Gi-Oh!: Caused by Playing the God Monument

A middle school student who loves dueling, playing with the God Monument leads to a series of chain events, and thus travels to a new world where playing cards is the rule. He suddenly met Yujo Judai and instantly grasped the direction of the story in advance. However, everything is not static, and the story may have a different ending. The story once had more variables than just him. What kind of deck will the protagonist use to ascend to the throne of duel king in this world? Or, in fact, he is not the protagonist of this story at all? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.