Super Fierce Fighting Secret Realm

The Nibelungen, a strange secret realm built from fragments of the World Tree, is hidden in every corner of the modern city. Some people died because of the Nibelungs, and some became strong because of the Nibelungs. It is the grave of the greedy and incompetent, and it is also a palace that brave adventurers will surely enter. Inheriting Loki's magical power and possessing the seeds of the World Tree, Ciel embarks on this magical adventure with an unrivaled attitude! "I want to fight the most enemies and grab the most powerful Boss!" This is a story about brushing copies in the city.