The Mononokean's job is to exorcise yokai living in the mundane world and send them back to the Underworld where they belong. Master of the Mononokean Abeno Haruitsuki, his employee Ashiya Hanae, and Fuzzy the yokai travel to the Underworld to perform a job for Abeno's boss, the Legislator. Together they help the Legislator with his work, but when Ashiya makes a mistake, he ends up delivering a document to the Executive, one of the top three individuals who govern the Underworld with the Legislator. Who is the Executive--?
but most yokai are alone as long as 
they remain in the mundane world.
Die meisten Yokai aber sind ganz allein,
solange sie auf der irdischen Welt weilen.
pero la mayoría de yokai
viven en soledad en este mundo.
mais la plupart des esprits dans son cas
se retrouvent isolés.
mas a maioria dos yokai são solitários
enquanto permanecem no mundo humano.