Nanoka is an attuned adolescent. So when a covered shopping arcade beckons, a strange world awaits.

Nanoka discovers that the arcade links to the Taisho era, while Mao probes a mysterious murder case.

Nanoka is unharmed by Mao's cursed sword. She returns to modern times to investigate an accident.

Nanoka and Otoya infiltrate the Shorinkyo cult, but get trapped inside by the leader, Shoko.

Earthquakes plague Taisho-era Fifth Street. Mao and Otoya find a church atop a sacred keystone site.

Nanoka reveals that she is from 100 years in the future. She goes back in time to question Mao.

In the Taisho era, Nanoka is abducted by Byoki. Mao tries to help but collapses.

Mao is attacked by Hyakka, a fire-wielding onmyoji. He reveals a secret about the Goshikido.

Mao and the gang help the injured Tenko. Kuchinawa, who appears on the scene, turns out to be Kamon.

A giant made of fish and water demands that Mao teach him the ultimate onmyoji spell, Taizanfukun.

Mao tries to help a sick boy but walks into a trap. A shikigami attacks Mao, trying to capture him.

Mao recalls the Goko Clan's water sorcerer. Kamon reunites with Shiranui at a water temple.

Nanoka carries Byoki's message for Mao to the Taisho era. Kamon exposes Shiranui's scam.

Rumors of a life-extending Goko Clan onmyoji lead Kamon and Mao to investigate Yurako.

Shiranui demands the Taizanfukun spell from Mao, but Mao is enraged that Yurako is working for him.

Hakubi attacks Mao with Metal sorcery. Mao transforms into a beast and goes on a rampage.

After battling Hakubi, Mao falls into a deep sleep. Nanoka and Shiraha investigate cats and Onmyodo.

Natsuno reveals Daigo and Sana's past. Mao and Kamon unlock the mystery of the Undersea Shrine.