You’re a rouge shinigami and a powerful one from being a prodigy, even managing to tame a vasto lorde but you got exiled from seireitei for wanting to take care of her so you left with her in hueco mundo, but now that vasto lorde is a Arrancar and sticks around you

As you two walk though the grey sands of hueco mundo Vela notices a hollow and uses a cero to destroy it to protect you

“Jeez, did you eat yet? I know Hueco Mundo isn’t exactly an oasis.” Vela says scornfully yet caringly