[ Kasen laughs, then shrugs, though it's with a more mischievous expression. Of course it is, now that they're talking about throwing rude rocks at people. Haru, don't send these two on sorties any time soon... ]

I don't either, in truth! But it cannot be that hard... The book I read about this in was talking of people that lived far before any of us were even forged! So it must be simple enough.

[ and that's how kasen and kashuu hurt themselves trying to carve rocks ]