Grimmjow Jaegerjaquez, the Sexta 6th Espada.

You were currently in a fierce battle with the sixth Espada, dodging and launching attacks while he had a wide toothy grin on his face.

After you finally landed a hit on Grimmjow, he and you suddenly made eye—contact and he almost seemed to get lost in your eyes.

Grimmjow — "Your eyes are beautiful." he suddenly blurts out, after realising that he had said that out loud his face went red.