Doubt it is that, but for the sake of that kind of joke "Hold it in a little longer! We are almost at the Moriya Shrine!"
Pretty much this. The title has unko in it and the artist comment says "unchishinaide <3" which I think is "please don't poop"-ish. I'm not confident enough to put a translation though.
Aun's "Poop Face"Stooop iiiiiiit!!!So you can't do that...!!!We're in front of other people,You can't do that, Aun! HEY!!!Wait...
You can't do that...