The children's package on the Internet comes from "Yu-Gi-Oh! 5D's". When Jack is in power, he usually raises his finger and points to the sky, and shouts "There is only one king, and that is "I", this is jokingly called ordering, also known as "Auntie, I want a children's meal!"
The story background of Yu-Gi-Oh! 5D's is children's life several decades after Muto's game. Shino City, the Doshino City here divides classes according to personal status, and is also called "New Doshino City". The protagonist is Fudo Yusei, who mainly lives in the lower class here. However, because his most important things were stolen, he broke away from this area in order to regain his own things. The main settings of this story come from the original plan of the original author of Yu-Gi-Oh. The author Takahashi also designed the main character monster cards.