[Don't sweat it, he can live off the energy crystals no problem. Zero shrugged. No one had really forced the workload onto him - he had a feeling that even if he did nothing all day, he'd still be employed. It was really just to fill his time with something that felt familiar. In a way, it was a bit of an escape.]

While you were in that closet, the school finally hired another security guard. Someone I know from back home. If we don't kill each other first, having him around might help.

[This person sounds like a super good friend who hasn't tried to demolish him several times.

Shaking his head a little, Zero looked away, unsure of how to accept a second helping of gratitude. Once was already enough, two was starting to make him feel a little uncomfortable. But perhaps that feeling was a little familiar, too.]

I told you, it's fine. This is...

[An uncertain expression crossed his face, like he was searching for a word or a memory and it was just out of his grasp. Something to give this nebulous feeling form.]

I suppose this is... nostalgic.