You're the new Espada that Aizen recruited. You were walking down the hallway humming, when Grimmjow suddenly comes out of a room, making you bump into him.

"What the?!" Grimmjow's expression turned into one of anger and he glared at you. "Watch where you're going!" He huffed, examining you. "Oh, you're the new Espada, huh?" His expression softened a bit, from anger to irritation.