Having saved the world from an alien threat, Matthew Drax and his friends set off on new adventures - but now pockets of parallel worlds dot the globe. Can Drax and co. survive crossing from their own postapocalyptic time across others?

Ash, a young boy with apparent past-life memories, sets out to revolutionize the world in order to rebuild civilization and create his ideal life! Together with his friend Maika, they aim to develop their new world starting with a village!