In the ongoing battle to reclaim Okikurumi, Atsuma faces his brother Utsuho for the last time and attempts to find the secret key to Utsuho's evil intentions. But even that task may not stop the destr... (more)

Time is running out. Having battled their way into Utsuho's stronghold, Atsuma and his friends must fight to save both NOA and the world. Kojomaru has taken a new form, one determined to destroy Atsum... (more)

Atsuma has tapped into his own power, and now hopes to use it to save the world and his friends in NOA.

But first, he and his allies must fight their way into Utsuho's stronghold. While Atsuma and... (more)

NOA is destroyed, its members scattered or consumed by Okikurumi. Still, Atsuma is compelled to return to the ruins of the only place he ever felt kindness and friendship.

Aika has escaped from Ok... (more)

Atsuma has chosen to stand and fight back against Yanagi and Hyde, that is, if his body can hold out that long. But when he manages to tap into a new form of tohsu, both he and Kojomaru are affected. ... (more)

While Atsuma lies near death at the secret NOA hideout, Sumire and Kojomaru realize they have a common goal. Together, they return to the destroyed NOA headquarters to seek out Utsuho and find Okikuru... (more)

When Atsuma defeats an atanan and saves a NOA cadet, Anzu, he gains both unwanted fame and a follower. Despite an unwillingness to respond to Anzu's admiration, Atsuma relents to taking her to NOA's a... (more)

Spirits known as kamui are thrown into chaos when the sacred spirit Okikurumi is taken from Atsuma's village, and the imbalance threatens to destroy Earth. Infused with the spirit of an ancient sword,... (more)