This is an animated film released to commemorate the 20th anniversary of the serialization of the Yu-Gi-Oh manga series, which began in 1996. After overcoming countless trials, Yugi Muto fought the final battle with another personality "Yami Yugi" in his body and won. After making a formal farewell, they embarked on their own journeys. After a period of time, Yugi and others returned to their ordinary lives. However, a mysterious boy who called himself Blue God appeared in front of them. On the other hand, Kaiba Seto, who regarded Yami Yugi as a strong rival, discovered the "Millennium Puzzle" where Yami Yugi disappeared and planned to complete it again, trying to revive Yami Yugi again.