A doujinshi from Comiket 75 featuring the Persona 4 gang.
 
ISBN: 0 Original release price: ¥unknown, Pages: 20, Release: 2008
First edition (?), Publisher: Errorwork, Printed in Japan、Circle：猫月堂 (Nekotsukido)
Artist/Author: 猫月あやの (Nekotsuki Ayano)    Format: Doujinshi, Lewd: No.
Comic Market: 75

Details from Doujinshi.org

This copy resides in our archive for a coming day it can be used for... Well, let's not get ahead of ourselves here.  If interested in having us hunt down a copy for you, let us know. We may sell you this one if can find find another to replace it.  If we have multiple copies in stock, this message will not be here.