At the Dragonar Academy, a young boy first summons a dragon from not a seikoku but from using a forbidden book named Vincent. With his dragon by his side, his story of adventures with his friends will begin with his new power as the Dragonic Knight

Gao begins his life as a buddyfighter when his friends gave him support. A buddfighter named Daisuke has come to claim Drum Bunker with his deck, the Dragonic Fighters. He'll join Gao until he can claim that card as his own.