When Ashiya begins working part time at the Mononokean, the master Abeno impresses upon him that he should pretend not to see any yokai other than the Mononokean's clients. However, the kind-hearted Ashiya is unable to keep his word, and the yokai won't leave him alone. Based on their surprising strength and numbers, Abeno believes there must be a powerful demon serving as their leader.
This was the only way I could
Das war die einzige Möglichkeit,
wie ich …
Aunque soy el amo de Mononokean,
solo así pude exorcizarte.
Ce n’est pas ainsi que doit travailler
le maître du Repaire.
Era a única forma