Oh, I think I have this one! It's a compilation of Satou Kibi's (?) individual chapters in a handy, tankoubon format! Slightly smaller than the regular books, but on the other hand you get about four stories in a single volume, plus some extra comics on covers.
This page makes it seem like this doujin started with the artist's hand practice
You're not purposely ignoring me, are you?!Anyway, please flirt with me moooooore!!And since when did you become a fish, you.Alright I get it, put that collection away!...well I haven't really been flirting with Alice or anything.You certainly have.You have!It's because it was a collaborationIs that feather actually a fin?Reitaisai New Release!!- you have to do more PatchyKoa with me!!It's because Patchouli-sama's recently been all lovey-dovey around Alice-san, and no-one else!I really like seeing scenes with PatchyAlice but -Please stop speaking in a way that could cause a misunderstanding.I'm a caught fish, see!
You have to feed them from time to time, see!Appears to be the cover page shown in post #2908898