[He's attempting to share the joke (i.e. that she really isn't the type to enjoy the "Streaking Summer") with her, actually, but his sense of humor often leaves something to be desired. Thankfully, her change of subject is much more interesting than his lack of funniness.]

Sword? You mean-- oh, that one you showed me? How interesting! Do feathers still show up when you summon it? Or do you have to summon it?