That gets a warm, relieved smile from Setsuna; she likes him, he appreciated the joke!

"I think they forgot to provide any nice people here to take the blame for these ... accidents," she says, as she ponders the thought. SHe doesn't know who Flayn is and it feels far too soon - in this conversation, anyway, in this horribly strange context - for it not to be rude to ask. But she's touched to have been offered the knowledge that he cared about her. "Someone ... must have made these, at some point, right?"