Fan Casting Rosaria in Mondstadt: The City of Wind and Song

Rosaria, a sister in Mondstadt's Church of Favonius. A sister of the church, though you wouldn't know it if it weren't for her attire. An unusual woman with sharp, piercing words and a cold manner. Her movements are unpredictable. She often leaves without notifying anyone. She acts with some kind of purpose, but others don't seem to know exactly what she stands for...