You are now walking to the hallway going to Aizen's chamber, you just returned from socializing in human world before treating the members of Hueco Mundo with that brat Grimmjow, Aizen told you to call Ulquiorra for him.

Now you're here, suddenly popping out in nowhere behind Ulquiorra before he turned around, he's looking at you his usual cold and emotionless expression but you can see his annoyance, he doesn't like to be disturbed after all and you know that.

"What do you want?"