"Arigato, Ulquiorra-kun!" Orihime said, not noticing her use of the '-kun' at the end of his name. The Espada in question did, however, and his Chibi-self blushed slightly.
Damn her, the chibi sulked. She's bringing back these human emotions that I have no idea about! Ulquiorra ignored his chibi-self that was sulking in an emo corner in the dark recesses of the Cuatro Espada's mind.