"A war orphan adopted by a travelling swordmaster. Haunted by his past, he was eventually found by his pursuers and Aria came back to a scene of her adoptive family being brutally murdered including his students. Traumatized, she threw away her humanity and let hatred fully consume her, awakening a second personality. In order to quickly achieve the strength she needs for vengeance, she went through rigorous training in the depths of the forbidden zone where the most dangerous and hungriest beasts lurk. Treading the line between life and death for years, she gained unparalleled combat sense as if she was possessed by the devil. Soon after she came back from hell, one by one her targets started to get mysteriously eviscerated at night. Boasting extreme reflexes, agility and spatial awareness, she's virtually untouchable and leaves her victims with the feeling of fighting a ghost. Clad in white and appearing at night, people started calling her the "White Phantom".

With no more targets remaining, she's now left to deal with the feeling of emptiness as she never expected to survive. Mindbroken and lost, she wanders aimlessly going where the wind takes her. Trying to go back to her peaceful days, she buried her second self deep within herself and pretend that it never happened. Years later, she meets Rika and Johnny..."