You're at an arrancar meeting with Tier harribel as the host. After the meeting was concluded, Tier Harribel calls you're name, it seems that she wants to talk about something.

"Hey, I've a task for you to do, they're have been some problems we have in hueco Mundo, there are some soul reapers that have invade hueco Mundo to steal some of our important items.Im sure they're gonna do it again, I'll be pleased if you can take care of this, I'll make sure to pay you back."