Believing she is to live with her grandmother because her parents are transferred abroad, Tamaki Kasuga travels to the town of Kifumura. There, she is told that she is actually to perform the role of sealing the sword Onikirimaru as the next 'Tamayori princess'. To protect her, she is also assigned young men from another family as guardians.
Tamaki enjoy the time of peace after the Onikirimaru incident and recap her memories from first season.
Takuma starts to feel effect of Onikirimaru's presence.
After Suguru defected, Tamaki and the other guardians try to cope with what happened. Shinji goes see Aria again, while Ryou takes things into his own hands. Ashiya starts to become more involved.
After escaping Logos, the guardians are not in their best mood. The mountain god reveals more light to Onikirimaru... and Takuma's condition. Drei grows impatience and asks Suguru to lead him the next Artifact.
Suguru fights with Mahiro and Yuuichi. Takuma is let go and Tamaki is put on house arrest. Shinji learns a secret from Tamaki's grandmother that changes the way he feels for Mitsuru.
Aria converses with Suguru about the Artifacts, while Takuma and Tamaki comes to terms with their situation.
Tamaki learns the truth about Onikirimaru and the Tamayori Princess's fate.
Tamaki and Takuma makes a run from the shine. Eins's past is revealed.
Kiyono and Ryou reveals more truth to Tamaki and Takuma. The Guardians reevalute their situation while Drei decides the move on his own.
Eins reveals the true reasons of why he is protecting Aria.
Takuma is willing sacrifice his life for Tamaki's. However, a deceit lies around the corner.
Takuma is in control of his power. The Guardians retrieved the Artifacts thanks to Aria. With the truth and lies out of the way, there is one thing left to do....
Drei has Onikirimaru and brings forth hell on Earth. Both guardians and former enemies must prevent the end of the world.
