She is the only descendant of the Yan family who experienced the disaster of annihilation, and the daughter of a general.In order to take revenge, she concealed her identity and became an assassin under the name “Guila”.After that, she sneaked into the palace disguised as a palace maid, tried to assassinate her, but fell into a trap set by the king in advance. When she woke up the next day, she lost her memory and became the harem's "Eun Xiaofei%".