"After being badly wounded by Elsa, Subaru somehow survived and awoke in the mansion of Margrave Mathers, in the Kingdom of Lugunica.

Subaru now lives and works in Roswaal's mansion, working with Ram and Rem, and finally getting Emilia to agree to a date with him. But the day of their promised date never comes as Subaru keeps going back to the day he first awoke in the mansion. He's confused at the thought that he Returned by Death despite having no memory of experiencing anything deadly, but he's determined to repeat his previous actions up to the point of fulfilling his promise with Emilia."
It's the demon version of divine inspiration.
(إنّها نسخة (أوني) من (كاميغاكاري
Ja, kein Gott, sondern ein Oni.
Como fanáticos religiosos
pero de demonios.
Como los religiosos, pero demoníaco.
Possédée par un esprit
version ogre.
È la versione demoniaca 
del detto sulla possessione divina.
É a versão "fantasia fantástica" de "fanática".
Не всё же богам вселяться в людей. 
Круто звучит?