Musubi no Yama Hiroku (産霊山秘録 The Secret History of Mt.

It is a multi-generational saga reinterpreting 400 years of Japan's history through the perspective of a secretive family with mystical capabilities.

[3] The plot revolves around the Hi Family, whose lineage stretches back into antiquity.

Each member of the family possesses supernatural psychic powers fueled by the three magical treasures called Mikagami, Yoritama, and Ibuki.

All throughout history, the Hi Family have been subtly manipulating Japan's greatest historical events from behind the scenes, leading the country to its modern formation.