転生王女と天才令嬢の魔法革命 (Series) favorite_border

Volume 1 synopsis: Drawing on knowledge from her past life, Princess Anisphia has invented her own form of magic called "magicraft." One day, she finds herself sharing a roof — and her research — with Euphyllia, a brilliantly gifted noblewoman beloved by the spirits!? Their chance meeting sets in motion a journey that will change the fate of the kingdom and transform both of their futures!