vous et moi by Morn kunthea(yui/hzz)+yuzuru hanyu

Future advances in systems, technology, and science have led a multitude of NGO researchers, led by wealthy individuals around the world, to conduct scientific research on artifacts and archeology related to the world of science. and technology. Advances based on imagination and arguments that people of all ages have inherited. Moon was raised by her father instead of her mother, who died about a week after giving birth due to poor health. His lab is closed because the rich have moved on to aliens, a collection of new discoveries, and the earth has been abandoned, leaving only a handful of people living in a dusty environment. The last remaining resource is also used to supply the inhabitants of the new land. She needs to save another world her sister lives in, but her mission allows her to open her eyes to her true self.