Bella is a 14-year-old anthropomorphic white cat with a fun, energetic personality. When she was younger, her close, older sister Willow-an anthropomorphic black cat-was stolen away from her and her family by the Supernova Organization. At one point, Bella went after her to try to find her and bring her back to their family; however, her goal failed, and only left Bella stranded somewhere far off in a dark, theft-loving city in the future, where she lived in an alleyway alone for 6 to 7 years.