"Battery? What's a battery?" Geneva asked, her face crinkled in utter bafflement.
Amy sighed. Though she was relieved that she can finally be herself in front of the Noirans, she didn't realize that it brought about a different kind of problem. How would she explain the things from Earth to these people who had zero knowledge of science and technology? She sighed again as it seemed necessary at the moment. Clearing her throat, she launched into a lecture of how battery worked.
"A battery is a device capable of storing energy over long periods of time," she was saying. Everyone's eyes were on her as they listened with all intent. King Henri's mouth was slightly gaped open as though he was fascinated with this new world of studies that Amy was discussing. "It is usually made of something
