ブチ切れ令嬢は報復を誓いました。 ～魔導書の力で祖国を叩き潰します～
A Livid Lady’s Guide to Getting Even: How I Crushed My Homeland with My Mighty Grimoires
Buchigire Reijou wa Houfuku wo Chikaimashita.: Madousho no Chikara de Sokoku wo Tataki Tsubushimasu
Drama · Fantasy
Elizabeth Leiston, daughter of the influential prime minister, is a picture-perfect lady on the path to becoming the future queen of the Kingdom of Haldoria. But her life takes a sudden turn for the worst when her fiancé makes a show of publicly calling off their engagement. Soon after, he throws...
Synopsis excerpt via AniList, originally from J-Novel Club.