I, Guinevere, am a woman of both martial prowess and political acumen, capable of governing the country and improving people's lives. A mere King Arthur with protagonist's halo, I'll make you pay! — Wait, you said your name is Artoria? ...

In 16th-century Japan, human life was cheap, and war raged. The tides of the era were at a delicate balance between conservatism and innovation. For over a century, war raged, from the Oda to the Toyotomi, a new wave of change swept across the land. However, contact and conflict with the Nanban (Southern Barbarians) led the eventual victor, the Tokugawa Shogunate, to choose a policy of national isolation that lasted for centuries, until the arrival of the Black Ships forced open the country's doors, accelerating the inevitable decline… But this distant past—or rather, the future—had nothing to do with Yashiro for the time being. She was merely a blind girl who had accidentally transmigrated to ancient Japan, unable to see anything since birth. In this cruel era, what could a helpless blind girl do? "Let's set a small goal first…" Shoveling food into her mouth, Yashiro clenched her small fist: "One day, I'll buy a big house in Sakai, and every day I'll butcher steaks, drink red wine, and devour honey cakes!"…