Roka is a young girl with black hair. The right half of her face is covered by a hollow mask in the form of a skull. She is dressed in a simple greenish striped dress. She is a modest, meek girl. She is ashamed to eavesdrop, she is very loyal to Szayelaporro. She did not hesitate to follow her master's orders, rejoicing in rare praise. She allowed him to perform surgical operations on himself even without anesthesia.