He was more confused by her display of anger than anything, and he did think she looked angry, but he wasn't really clear on what he'd done to set her off.

"Okay." Senku said, to her comment about her brother but he didn't demonstrate any more recognition than that.

"Ah, well, the matter of having people from your world here is a bit complex, and the gist of what the train said was that we're not technically sharing a world with people we know, so some kind of parallel world? And that we're missing, but based on when I came and when Gen came, he's from my world, he'd know if I'd gone missing because he's in my future, supposedly."

He sighed a little bit. "There's still a high chance the train was just telling us bullshit, though. I'm not sure I believe that."