Arcueid, Whose Mental Age is That of an Elementary Schooler (1st update, 4K characters)

"But if it was her, why had she come to Yingzhou? She was even enrolling as a first-year, and in the same class as Artoria..."

Su Yun rubbed his chin, feeling certain that something was amiss.

Arcueid Brunestud was also a famous figure from the world of anime and games. Like Artoria and the others, she came from a different work within the same shared setting—or rather, she was the heroine of a different work by the same author.

She was the "Moon Princess," the princess of the True Ancestors, also known as the Princess of Earth. In that story, she was a being truly chosen by the planet's consciousness, blessed by the planet itself. It was said that as long as she stood upon the ground, she could draw upon the power of Earth—a formidable woman who was theoretically the strongest heroine in that setting.

Of course, that was her identity in the fictional world. In this crossover world invaded by Mystery, Arcueid Brunestud was Artoria's cousin, while the Brunestud Family was a lineage that had endured in Europe for over two thousand years.

This family had already existed during the era of the ancient Roman Empire, though it had only been a minor noble house back then. Located on the Roman Empire's northern frontier, they had frequent contact with the Germanic peoples, who were still regarded as barbarians at the time. As the ages changed, they naturally began intermarrying with the Germans.

Later, the ancient Roman Empire split into East and West, the Western Roman Empire collapsed, and the Germanic peoples rose to power. Relying on their early history of intermarriage with the Germans, the Brunestud Family gradually rose to prominence. After the Frankish Kingdom emerged, they finally became a major family, establishing themselves as one of old