Megaton Musashi (2021 - …)

The plot of the anime series "Megaton Musashi" takes place in a post-apocalyptic world after the majority of humanity has been destroyed by aliens. The few surviving humans hide in a Shelter and live in a virtual universe, unaware of what is happening in reality. Three teenage friends accidentally meet members of the Resistance and learn that the familiar world to them is not real. They then decide to venture into reality and join the war against the invaders.