The Demon Prince of Momochi House volume 5 features story and art by Aya Shouoto.

Himari Momochi inherits Momochi House, an estate that exists on the barrier between the human and spiritual realms. The waters of the seven sacred falls have become polluted, and Himari, Aoi, and the shikigami cross over to the spiritual realm to find the cause. But during an attempt to purify the waters, Himari is taken away by the dragon god!

The Demon Prince of Momochi House volume 6 features story and art by Aya Shouoto.

Himari Momochi inherits Momochi House, an estate which exists on the barrier between the human and spiritual realms. Himari is still coming to terms with Aoi's rejection of her love confession when Takamura Nachi, the Classical Literature teacher, shows her a mirror that is said to reflect the true feelings of its beholder...

The Demon Prince of Momochi House volume 7 features story and art by Aya Shouoto.

Himari Momochi inherits Momochi House, an estate which exists on the barrier between the human and spiritual realms. Aoi’s powers have weakend, and he begins to recall fragments of his childhood. Someone from the past has infiltrated Momochi House and is after Aoi!

The Demon Prince of Momochi House volume 8 features story and art by Aya Shouoto.

Himari Momochi inherits Momochi House, an estate which exists on the barrier between the human and spiritual realms. Since his battle with Nachi, Aoi has been unable to transform back from being the Nue. Aoi must recover his lost human memories, and Himari enters the spiritual realm to retrieve them.