_{[ Katsura doesn't notice how Sakamoto's breath gets caught in his throat because he's ready to step in and interrupt with a proposal like that spoken by the client. ]}

—You don't need to give a demonstration. I, too, can give you a demonstration on how to detach your **** with one simple swipe of my katana.
I'm sure you wouldn't want that.

_{[ He sounds firm, but not dramatic— collected but definitely aggressive. ]}