She has a younger brother. They are both guardians, but they have their own lives. Before college, she suddenly became enlightened, lively and cute, with an unstable temperament; but he was exposed to darkness very early, and had a hard time hiding his sister's life experience... After college, she regarded everything indifferently, everything was just that, because she knew that the responsibilities she carried were heavy, and she had to carry them all, because she didn't want her relatives to worry, that is, her only brother; after college, he worked harder to protect her, but everything became different...