A member of the Royalty and Hime's older sister, she is depicted wearing a dress while being blindfolded, gagged, and restrained by leather straps. A tap has been installed on her to collect blood. She expressed happiness upon hearing of Severin's death and felt slightly frustrated that she wasn't the one to kill him. Despite her predicament, she remains unfazed. Later, she is freed by Micasa and rejoins the Royal War with Micasa as her new blood warrior.
In the future, Sylvia had killed Duken, leaving her and Sherwood as the only siblings left in the battle, with Sylvia gaining the upper hand against Sherwood. During a duel with Hime, she is interrupted by a mermaid who wounds Hime. As Sylvia prepares to deliver the final blow, she is stopped by an older and more battle-hardened Hiro.










