"Organic," he repeated, as if the very idea was ludicrous. "What, exactly is it composed of?" There was going to be a need for him to familiarize himself with everything he could in this place. It was a daunting and (to him, at least) necessary task.

When Rin spoke up, Yukio regarded his twin with a side-long glance, though the simple smile remained. "Yes, that would be very appreciated! With my own classroom that I would have access to whenever I needed it, it would open much more time for us to get book-work done, nii-san."