Senku, Gen thought, you meet someone who admits to killing someone on the train, and then you help arm him? He supposed he shouldn't be surprised.

"Senku does appreciate anyone he can rope into doing work," Gen laughed softly. "I think that's how he makes all of his friends."

Then, however, Gen sobered a moment, a flicker of something real passing over his face. If only for a moment. "Much like catching the train on fire, that is something I advise him against doing."