It might be a timed thing. [ Genos muses. ] It's safe to assume so, since it's not permanently on upon equipping me.

[ Okay, that does sounds so weird to say, but Genos doesn't even register that fact. He's more concerned with figuring out how his newly acquired power. He'd be tapping his chin, if he had it right now. ]

But there is possibility that it works only on the ayakashi. Either way, be careful. There's one behind you.