Disappointment (n): a feeling of sadness or frustration because something was not as good, attractive, or satisfactory as expected,
Azure eyes searched turquoise ones eagerly for an answer to the question. When one could not be found, they darted almost anxiously towards eyes of the same color.
"He's here right?" an eager, soft voice asked again. "You brought him back like you promised?" The keen smile fell from the ruby lips as a head full of blonde hair shook slowly.
"I'm sorry," was the raspy reply. "We failed."
or because something hoped for did not happen