"You know everything about it except how to make it work properly?"

What kind of child prodigy are you? Efi would have had this all fixed by now. He continues on in silence for a moment before realizing how rude he's being. He... sort of cares. This guy did offer to make him a laser sword, which is nice of him. And didn't run away after being rescued which is also nice.

Sigh.

"I am Genji."

Well it's a start.