Why Am I a Priestess When I Reach the Maximum Level? - Chapter 40Vol 1. : The Priest’s Secret Thoughts

This world has Fox Fairies, River Gods, Water Monsters, Great Demons and Cultivators who seek immortality.

Xue Xi is forced to fall in love at first sight with this dangerous man on their first meeting. With death being the only other option, she makes the first move:

The only Paladin of the forgotten god, Nameless Chaos, and also the only Pope, Priest, and Worshipper.

This is a prequel to the anime movie To Aru Majutsu no Kinsho Mokuroku – Endymion no Kiseki.

Just before the completion of the Academy City space elevator “Endymion”, the main characters Kamijou Touma and Index encounter a level 0 girl named Arisa. The Magicians are after Arisa, and they attack Academy City. A female leader named Shattoaura leads a unit from Academy City against the attack. Kamijou and Index learn from Stiyl that Arisa is key to a brewing war between the sides of Magic and Science. When science and magic cross paths, the story begins with Endymion as its stage!