Girl Ends Up Trapped in a Building For 5 Years as The Entire Earth Gets Flooded

In a near-future dystopia, a young woman finds herself trapped inside a massive skyscraper when an unprecedented global flood submerges most of the Earth's surface. Cut off from the outside world and all communication, she must adapt to her isolated new reality. With only the building's dwindling resources and her wit to survive, she navigates the psychological toll of loneliness, the struggle for sustenance, and the eerie mysteries lurking within the abandoned building. As the years pass, she uncovers startling secrets about the flood and humanity's fate, forcing her to confront the question: Is there still hope beyond the water?