Assassins and killers are different.
The killer only takes action based on the order of the boss who gave him the money. The assassin's action must be related to his own beliefs.
Therefore, there are often organizations that train assassins, but few have the ability to train assassins. But a powerful assassin can always reverse the situation at critical moments.
Yiyun Continent is facing a storm that will change the world. In this storm, almost everyone was involved - naturally including a small, fledgling assassin.
This assassin is about to shine her own light in this storm, just waiting for her to find her own faith first.