A woman from another world accidentally ends up in the Prince's mansion, involuntarily drawn into the political games of multiple factions. Possessing a special ability to store supplies, she remains calm and collected in the face of trouble, never willing to be manipulated by others. Conspiracies and plots follow one after another within the mansion, fraught with crisis, yet she calmly resolves numerous traps with her intellect. Entangled in mutual probing and maneuvering with the person in charge of the mansion, the two lay aside their estrangement and walk hand in hand, parting the layers of mist surrounding them to painstakingly search for their own secure path forward.