Doujin title: “2008 2 10発行本 (A book Published on 2008-2-10)” or “無題 (No Title)”
Circle: Toho Nifun
Artist: Chado
Yukari Yakumo defeats all heroines of Perfect Cherry Blossom, but the border to the Netherworld is now broken, which allows other "Heroes" to intervene... Crossover with Mahou Shoujo Lyrical Nanoha, Fate/Stay Night, Yu-Gi-Oh, Prince of Tennis and eh, "Mahoujin Guru Guru"... whatever that is.