Shirayuki is a reserved and highly skilled ninja who once served as the personal bodyguard of Lady Fumizuki from Lungmen. Now sent to Rhodes Island, she silently protects the Doctor, though her true allegiance remains with her former mistress. A master of covert ops and intelligence gathering, Shirayuki wields large shurikens with deadly precision. She speaks only when necessary, and her presence is often unnoticed until she is needed. Despite her quiet nature, she is a dependable and enigmatic figure, always watching from the shadows.