Ao is one day away from starting middle school when his world begins to change. Scub Coral activity leads to Scub Bursts and mysterious G-Monsters. And when he picks up an odd bracelet, he finds himself drawn even deeper into these events.

Ao has always faced discrimination as a foreigner, but his newly revealed blue hair and involvement in the recent crisis spur the islanders to take action against him. And in the process, Ao learns more about his mother.

With renewed resolve to fight to protect the island, Ao takes on the G-Monster with some help. And in the aftermath, Ao begins to learn that the world is more complicated than he had thought.

Having thrown in his lot with Generation Bleu, Ao returns with Team Pied Piper to their headquarters in Switzerland. There, he finds himself out of his element and struggling to figure out how he fits in to their plans.

Soramaru meets a mysterious masked man in Gokumonjo and regains memories of the past. Meanwhile, Shirasu is on his way to rescue him…

Soramaru brings the information from Gokumonjo to the Yamainu to try to make a deal with them while Tenka is home sick…

Soramaru and Chutaro discover the relationship between the Orochi and the Kumoh family and learn of the burden Tenka was carrying by himself…

Six hundred years ago, Abe no Hirari met Botan and the predecessors of the Kumoh and Sasaki families and battled the Orochi of the Kamakura period…

The sun hides behind rainclouds as those Tenka left behind try to come to terms with his execution and continue on with their lives…

While Kagami talks to Chutaro, Sosei investigates Gokumonjo. Meanwhile, Soramaru has been having trouble sleeping...

The Kumoh brothers are finally reunited for the final battle against the Orochi and the Fuma…

Soramaru wants to be stronger so Tenka can rely on him, so he asks Sosei to train him. But Soramaru has to prove his worth first…

Shirasu makes his true intentions known, and Soramaru faces what lies within him as Chutaro continues his journey with Kagami…

The day after the incident with the escaped criminal, Tenka heads to the clinic where he finds out that a murderer is heading toward Kumoh Shrine.

The three Kumoh brothers ferry criminals to the largest prison in Japan, Gokumonjo. One day, a criminal escapes en route to the prison…

Tenka has reappeared, but he learns that his brothers are in trouble and goes after them. Meanwhile, the Yamainu go after the Orochi…