For Inu-Oh, director Masaaki Yuasa’s main goal was not to accurately depict the past as it is written, but to depict what could have happened.
Based on the novel Tales of the Heike: Inu-Oh by Hideo Furukawa, the film follows two outcasts in 14th-century Japan: Tomona (Mirai Moriyama), a blind Biwa player, and Inu-Oh (Avu-chan), a deformed Noh dancer born with a curse.
The two discover they have the ability to hear the spirits of the Heike, a clan of warriors whose stories are lost to time, and the pair begin to perform their stories in a new style resembling modern hair metal, which starts to cure Inu-Oh of his curse.
The idea of a curse being cured resulting in the main character becoming human again is popular in Japanese folklore, but Yuasa wanted to have a more modern take.
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