Costa poured some orange juice into an empty glass for Ferris and set it beside the boy's plate which had some sort of sandwich on top of it. "Buon appetito," she said before disapparating out of sight. "Did you sleep well, Professor?" Vianna asked, smiling and feeling a bit more awake now that Ferris was around, though she still couldn't keep herself from yawning a moment there as her body was still rather exhausted.