Ryuji's 19-year-old second cousin, who has been studying in America for some time, is coming back to Japan to see her cousin and retrieve a "Lost Precious" that was stolen from her ten years ago by someone named Fang. Despite the risk of taking anything that Fang believes belongs to them, she does not back down because she suspects that the contents of the "Lost Precious," which she thinks is an S-rank item, will prove her worth to other hunters of "Lost Precious." Initially unsure who Rose was, Ryuji was shocked when she discovered that Rose knew her cousin's name and that she was a Red Dragon. Her chosen "Lost Precious" is a staff that can create an illusion of a swarm of butterflies, and she also possesses the "True Love," earrings that only women with the power to hear truth can use.