[Manjoume seems to actually notice it this time how lewd that sounded, or maybe that's just his own overblown senses thinking too hard about it as he resists the urge to tug on his own sweaty collar again. But instead of allowing himself to get flustered, he sounds irritated when he responds.]

I'd prefer you didn't say anything stupid at all and would think to use your mouth for something more useful, but I doubt you're capable of such things.

[... No, he does not in fact realize how suggestive what he just said is.]