88 - she doesn't have mana but knows math and charges for the use of her formulas for mages. Blonde ml who is also disguised as an information guild master who is her business partner
You may feel your favorite manga should be gathered together into distinct categories for your own reference and, now, you can do this with a LIST. After you've created your list or lists, you can proudly recommend them to other manga fans to showcase and share your taste in manga.
Empress of Another World