That's... a wing. They are serving meat here.

Akechi's eyes lock on the meat, and he places a wing below his beak. Really, the prospect of eating bird meat isn't an issue. "Birds can be fairly opportunistic eaters. Even the little ones will feast on carrion when given the chance."

But where did it come from? Is it donated from hospitals? Is there something more at play?

The gears in his head keep turning. It's a mystery, after all.