Vanitas slanted his eyes toward Fujiko as she approached him, but otherwise his expression didn't change. He wasn't pleased to be spotted or spoken to, but Vanitas at least knew the point of the beach gathering was socialization between patients, so it was a risk he took for coming outside in the first place.
"Does your dream have a name for that?" To make sure the woman knew what he was talking about, Vanitas kicked sand at the fallen piece of pizza, then flicked the paper plate at it. He had nothing against littering, and the plate was useless to him now.