The manga has a lot of side notes and chapters dedicated to just explaining the lore. There's also a book by the author entitled Delicious in Dungeon World Gui

The manga has a lot of side notes and chapters dedicated to just explaining the lore. There's also a book by the author entitled Delicious in Dungeon World Guide: The Adventurer's Bible Complete Edition with even more content. The author really did her homework regarding worldbuilding.