Welcome to the science nerd and his big science excitement, Manabu. Now you've indulged him once, you'll never be rid of him.

"Yeah? I'd like that! Maybe once I get a lab set up here I'd have a better space to work, I'd need all my tools anyway," so fortunate, he doesn't have then on him now. "So people duel with these? Like...proper knight battle kind of things?"