Senji Muramasa. [ Ah, he should probably give his occupation too, right? ] ... Blacksmith. I hadn't realized I was considered a friend already.

[ He's lifting the blade again, to peer down the edge once more. It's still not perfect as he'd like, but it's looking better! He turns it back and forth in the daylight, examining the angle. No hamon to speak of, because of course. This thing is printed, not forged, ain't it? ]

Aventurine... That's a stone, right? The one that looks like jade, if you're not careful.

[ Sorry bro, he's not trying to steal your wig, but he thinks of everything in the context of materials used in artisanal crafts. Gem cutting isn't that different from polishing swords, really. ]