In this era of symbiosis between humans and demons, in order to maintain the balance of the world, the world was divided into two time and space, the human world and the demon world. A long time ago, humans and demons reached a consensus, humans provided some conveniences to the demons, and the demons gave humans medicinal materials and treasures. The door in time and space provided many benefits to both parties. However, in order for the demons to not harm humans in the human world, they must study in this school called Demon Realm Academy and have documents to go to the human world. The content of the academy's study is, on the one hand, the convergence of spells, and on the other hand, it is about arresting demons who sneak into the human world from the time and space gate and do bad things.
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A casual novel written by a novice purely to satisfy my xp, it is Nine-tailed Fox Attacker x Snow Wolf Shou, the secondary CP is Phoenix x Black Snake, the relationship develops quickly and the character's personality is not well grasped.
If you don't like it, you can go to the upper left corner
Purpose: World peace