Liana is Levi's twin sister. They were separated at a young age after their mother died. Kenny had taken young Levi and had no idea Liana was a factor. She grew up alone when her best friend Kiara left for training, days after Levi was missing. Around age 10 she practiced simple medicine. 5 years later, she fixed Farlan's side one day after he crashed through her window, being chased by the Military Police. After they kept in contact.