An 18-year-old female high school student from a modern single-parent family, after coming to this unknown era, how should she live alone, her missing father, her deceased mother, her poor little sister, and her newly awakened coma? What should she do with all of this? She was originally just visiting her aunt, so why did she appear in the cook of a brothel? In the later stage, there will be fleeing from famine and war. Let's see how she survives.