When Gao Mikado opens a card package during writing class he gets a Buddy Rare Card called Drum Bunker Dragon. Gao and Drum Buddy up and get ready for Future Card battles!

The fourth and final match of the ABC Cup’s first round gets underway between Jin and Tetsuya. Meanwhile, Tasuku and Jackknife have an out-of-this-world experience. And Shido is under pressure to find a replacement for Rouga and his powers of darkness.

Shido and Sophia are plotting something bad. Gao’s success in the Buddyfight arena is attracting negative attention from some middle school students. The ABC Cup qualifying round gets underway and there’s a surprising team moving on to the main event.

Gao’s recruited by the Seifukai. Shido’s up to no good, working secretly behind the scenes to increase his chances of winning the ABC Cup. The second match of the tournament begins, pitting all-out strength against the time-honored art of ninja warfare.

The ABC Cup Final gets underway! Gao has a special surprise up his sleeve for his opponent Zanya, but it might just throw the whole tournament out of whack! Meanwhile, the gang goes searching for Genma and finds some assistance from an unlikely source

The ABC Cup finally gets underway, but not before the principals of the elementary and middle schools get into a heated discussion. Gao and his team Balle du Soleil are drawn in the first match against the middle school, but where is their opponent?

Gao’s new friend, Kiri, learns about Buddyfighting, and takes part in an electrifying training session. Drum forgives Gao and helps him out of a tricky situation. The mysterious Buddyfighter Rouga reveals a dark power that may change Buddyfighting forever.

While everyone’s at the Aibo Buddy Cup bash, Noboru’s busy at Buddy Police HQ learning about Tasuku’s challenging past. Conflicted about his buddyfight future, Noboru is faced with a difficult challenge that eventually helps set him on a happier path.

With the help of Baku Omori, a deck builder, and data analyst, Kuguru Uki, Gao gets a deck which he can fight with called "Dragon Blast Fury". At the prestigious fighting stage of Aibo Academy, Gao takes on Tasuku and his Buddy Monster, Jackknife Dragon.

Rouga’s thirst for revenge takes him down an unexpected path. Baku puts his faith in Gao, and offers him a special gift. Gao temporarily loses sight of who he really is and takes an obsession too far without considering the consequences of his actions.