"S'Up, Dawg; we know once in a while y'all like some Deep Shit in your Yuri Manga, so artist-san dropped some Deep Shit in this Yuri Manga, so that after going through it, y'all can say something like: "Whoa - That Is Deep!" over the Deep Shit in this Yuri Manga."
Cliched comment, perhaps, but fits the story perfectly (IMHO).