In an era when magic still existed, the spellcaster nobles relied on an ancient "oath" to maintain their lofty status. The "hunters" who are regarded as mercenaries live a very different life. They work for the nobles, kill monsters, and get the rewards they need for life. At the same time, the nobles claim that they have absolute ruling power, and no hunter can challenge the authority of the nobles.
When Lou Yu, who was anonymous, came to Fox Hunter Town for the first time, the world of hunters he knew was almost the same as what was mentioned above. However, when she became a hunter and became close friends with the hunters, her thoughts began to change. At the same time, she realized that there were too many unsolvable secrets behind the ancient oaths. Those secrets implicated the fate of everyone, and she was one of them.
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In short, there is Lily, there is Danmei, and there are also children who can fight monsters and level up.
It's a high-level demon, of course. The characters have strong magic powers, and the monsters can't bear to show their weakness.
Occasionally a horror story may creep in.
The protagonist is Lou Yu, but not "always". Each character has their own story, but sometimes we need to observe it through the perspective of others to find it interesting w