In order to defeat the card with dark power and prevent the resurrection of the dark master Zoko, the two brothers Ai and Lin came to Tono City and asked for help from Jonouchi, Kaiba and others who had fought against the God Card. In fact, the protagonist should be Kaiba, although he doesn't appear much.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.