Young Yao Xi lived a part-time investigative life until a mysterious white-haired girl who called herself Snow Girl walked out of the mirror and broke into his life. She bandages his wounds and prepares breakfast, claiming to have a familiar feeling about him. The daily peace was broken. Yao Xi concealed the existence of the snow girl while investigating various dangerous commissions, but found that she had already been trapped in the whirlpool. Disguised strange cases, undercurrents of city-state forces, and the pursuit of mysterious A-level beings. His life experience, the secrets of his parents, and the deep connection with the strangeness are gradually revealed. He will fight side by side with Yuki Onna to protect this small home in a world full of deception and calculation.
