It seemed more like... oil than anything else. But I cannot imagine something could ail a robot to cause such a human-like reaction.

[She doesn't know, and therefore gathered evidence--!! But if Kuzuryuu doesn't want to see for himself, that's fine too. She just grimaces at the memory, adding,] As a group, we decided to investigate what we could while he was gone, but... I am not certain if anything we uncovered is of any importance. It was a "virtual diary" of an intern, recording the creation of the colony.