Ash is a young boy with apparent past-life memories who lives in a remote, deserted village. As he remembers leading a bountiful life, he can’t bear living in a world akin to the Dark Ages, where not even the internal combustion engine exists. He envisions the rebirth of civilization and to do that he makes use of the church’s resources, learning how to read and obtaining the knowledge that he seeks He enlists the help of the people around him, including Maika, the village chief’s daughter. Together, they aim to develop their own village!
Source: J-Novel Club