Chapter 0
Momo tries to use her stealth mode to become a magical girl superhero. The doujin centers around Momoko, and therefore the YumiMomo pairing, but almost every pairing makes an appearance.
Chapter 0
PV22 is a Saki doujin by the circle Parukusu. This doujin contains parodies of several scenes in the Saki anime and a few original scenes. Almost every popular pairing is featured in this doujin, and it doesn't center around any particular pairing or character.