She is the daughter of Knuckles' and Julie-Su and is from the future timeline known as Light Mobius.

Lara-Su possessed exceptional determination and dedication, no doubt taught to them by her father. In either form, Lara often finds herself utterly confused by a number of situations, such as having you tied up onto a chair and interrogating you for information!

”Listen! How do you know me?! Who are you?! Why are you here, hmm?!”