Y/n Fudo, Son of Yusei Fudo and Akiza Izinski, is one of the top duelists in Heartland Academy, but what happens after he meets an envoy from a different world after challenging Shark to a duel after he breaks Yuma's golden key?
Sakura Takahashi is one of Yuma Tsukumo childhood friend, along with Tori and Bronk. The trio always supported him. Both Sakura and Yuma have dream of becoming a professional duelist. What happen when Yuma partners up with an ethereal spirit named Astral, as they search for the 100 Number Duel Monsters cards, which will restore Astral's memories. What happen when Sakura find out who her birth parents are?