Remember how in Inazuma Eleven there always was a boy and a girl in Endou's class talking to him?
Well, apparently you can recruit the girl in IE2: go to Fubuki's hometown's plains, you know, the place all snowy and stuff, and enter the first snow corridor. If you see a figure standing by a tree on the left, go and talk to her, if you don't, just head back and repeat till you find her. As of now I noticed she has a lot of indirect support, you know, the black Killer Moves.