Offense and Defense in Daites：Daites Ryou Koubouki Vol.１

Lady Millianna, the noble daughter of the province of Daites, spent her previous life as a fujoshi in modern-day Japan. Despite her family's noble status, she finds this world she was born into too inconvenient. And more importantly, they don't have any BL! In order to create a more comfortable life for herself, Millianna sets about revolutionizing the technology of her territory. But what will happen when the former Crown Prince appears as her groom-to-be...?!