The least devout among the nuns of the Church of Favonius, Rosaria prefers acting in the shadows rather than participating in the activities of the Church. A sister of the church, though you wouldn't know it if it weren't for her attire. Known for her sharp, cold words and manner, she often works alone. 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...