Not sure who some of these guys are. Took a guess with some based on post #1087206. There are some pages explaining the characters and some quick comics based on the idea at the source, but I didn't really think they were worth uploading and making a pool with. If anyone wants to read up and translate some of the information, or wants to make a pool for the rest, feel free.
I would definately sponsor this if they have the following ending: The team faces off with the final boss, got owned badly, Nanako yells "Niichan helps me", Yuu appears, become the leader of the team and have his Inzangai-no-Ookami summoned to destroy the final boss. ED: Nanako confesses again to Yu, Yukiko and Rise noticed and start chasing him.