If he was expecting a reaction to the red hair and the fangs he was going to be disappointed. Senku was more curious than reactive about things of that nature.

"Not that I'm aware of." Senku responded. "You can actually check the computer for a list of everyone who's on the train, but it tends to change every two weeks, but unless she's arrived today, she may not be here."

He hummed. "I should mention that everyone you see in these horrible colours." He tugged at his own orange polo. "Is as much a victim of circumstance as you are. We have yet to find anyone responsible except a potentially sentient train." He tilted his head at the train himself.