"Hmm," Gen inspected the tie, but he was also watching Senku's expression. It didn't seem like he was that interested. Sure, he didn't hate it, but - Gen sighed dramatically. "If it doesn't have twinkle lights, I don't see the point of it."

He poked around at more selections, and found - this one had loops of a radioactive green on a black background, kind of looking like a many of those simplistic models of a nucleus. In fact, there were little letters on the tie - labeling them as various elements. "How about this one?"