Manga Offense and Defense in Daites

The daughter of the baron of the province of Dyths, Milliana, enjoyed her own previous life in the modern Land of the Rising Sun. But, despite her own status today, she considers life in her own world today very awkward. Especially the absence of BL! Therefore, it seeks to reform provincial culture in order to achieve a comfortable life! In the end, in order to marry another family, the last hereditary prince, Matesa, arrived...?!