Sakura's mother. A P.E teacher when not working as a CDC operator of Alvis. Her husband died in the first assault of the Festum. A master of martial arts, even better than her husband. Is not very warlike though and reminds Sakura to run away if it becomes too dangerous. In Exodus:

Spoiler

Still CDC. Gets sick when Walker causes trouble. Due to her condition, she chooses to stay behind on the island as Orihime seals it along with Altair in the end.

(Source: Alvis)