They are. They're also Gou swords, like me and Matsu.

[so that's already something, considering how close buzen and matsui come off. but the longer that he lingers around here, the more confused he looks. he moves to hover his ear over the glass, as though trying to listen for something.]

... you don't hear anything - do you, Fei Du? Don't see anything besides the blades either, right...

[he does manage to sound -

well, disappointed]