Heiji was curious about the greenhouse, of course, but the appearance of new test subjects (?) after so long was even more enticing a mystery. He'd approach the newcomers one by one, asking after them and trying to figure out who was injured. It did not escape him that their bracelets were blank.

"Hey, you all right?"

A bit after the greenhouse area opens
But sooner or later, he'd start poking around. Certainly someone had been looking after the animals (the robots again?), much like the fish in the maze. He reached over to pat the goat's side. "Hey there, fella. You been keepin' this field nice and cropped?"