"A Time Slip of 10000 Years: Prime Rose" is a science fiction manga series created by Osamu Tezuka. The narrative centers on the journey of Prime Rose, a warrior princess from the distant future, and her quest to save her world from the tyrannical rule of the Demon King. The story begins in the year 1982, where a young scientist named Dr. Daigo Otomo accidentally activates a time machine, transporting himself 10,000 years into the future. In this future, Earth has become a desolate wasteland ruled by the Demon King, who has enslaved humanity and eradicated most of its culture and history.

Prime Rose, the last surviving member of the royal family, is determined to overthrow the Demon King and restore peace to her world. She possesses a powerful artifact known as the Prime Rose, which grants her immense strength and abilities. However, the Demon King's forces are relentless, and Prime Rose realizes she cannot succeed alone. She encounters Dr. Otomo and enlists his help, believing his knowledge of the past could be the key to defeating the Demon King. Together, they embark on a perilous journey across the ruined Earth, facing monstrous creatures, treacherous allies, and the remnants of a once-thriving civilization.

As the story progresses, the relationship between Prime Rose and Dr. Otomo evolves, blending elements of camaraderie, mutual respect, and romantic tension. Dr. Otomo's scientific expertise and Prime Rose's combat prowess complement each other, allowing them to overcome numerous challenges. The narrative also explores themes of resilience, the cyclical nature of history, and the enduring human spirit in the face of overwhelming adversity. The Demon King, a formidable antagonist, is revealed to have a complex backstory tied to the downfall of humanity, adding depth to the conflict.

The series is structured as a blend of action, adventure, and philosophical inquiry, with a focus on the interplay between past and future. The characters' interactions and the unfolding mysteries of the world drive the plot forward, culminating in a climactic confrontation between Prime Rose, Dr. Otomo, and the Demon King. The resolution of the story ties together the threads of time travel, human perseverance, and the potential for redemption, leaving a lasting impression on the reader.