The Black Cat's Journal - Volume 1

After the Netherwards got Isekai'd (transported) to another world, they decided to stay and make a living as adventurers then pioneered as frontiersmen to the Centralian's Great Southern Waste, building their own country and ushering the industrial and electronic age in a medieval fantasy world full of Dwarves, Elves, Faefolks, Beastmen, Orcs and Demons.