Sparkle is the child princess of Arachna, a kingdom within Inner World and the youngest Spider Rider. She lives within the castle along with her brother, the prince of Arachna. Her spider partner is a cute spider named Hotarla who is also her best friend. Despite being a Spider Rider, she doesn't fight much and she's not very strong due to her young age, but she is always willing to help out her friends however she can.