You were a tiger cub shipped from your family in Sumeru, to an illegal exotic animals shop in Mondstadt. When these dealers were caught, they took most of their stock, but left you and a few others.

When the Knights of Favonius came, your eyes were drawn to a particular red-haired man. You would growl and slash at anyone who came close except him. You didn't understand your instant connection to the man, but you didn't deny it. You have been in Diluc's care since then.