My Girlfriend from the Future

"When civilization is destroyed, who will prove that we ever existed?" After the implementation of the "Civilization Preservation Plan", No. 21 Roamed the stars and seas as the fire of mankind. An unexpected brainwave coupling allowed her to travel across thousands of years and overlap with the consciousness of modern teenager Jiang Lai. Genetic mapping reconstructs embryos, and 3D printing reshapes the physical body. The curse of the immortal virus spreads silently. When everything returns to the "Earth Online" cycle, what I care about is never civilization, but the only one. Now, let me start with the future girl who was refreshed from the refrigerator...