 If you liked Honzuki no Gekokujou: Shisho ni Naru Tame ni wa Shudan wo Erandeiraremasen |  ...then you might like Fushi no Kami: Henkyou kara Hajimeru Bunmei Saiseiki |
Two series about characters with memories of our world trying to make the mediaeval-style world they find themselves in a better place to live (the world of Fushi no Kami seems somewhat earlier mediaeval than that of Honzuki no Gekokujou). Both characters are very much forces of nature, reshaping the world around them constantly and dragging along those around them in their quest to reshape their worlds. And both use knowledge obtained from books to get to their goals. There are differences, of course - for instance in HnG the books are the goal, and the changes to society are merely steps along the way, whereas
report Recommended by kuuderes_shadow
both protagonists are bookworm both protagonists are reborn into another world both protagonists are aiming for making their life in that world more comfortable
report Recommended by kuro-kun3001