http://www.youtube.com/watch?v=QHej01Mibyg --pls which anime in this AMV there is a girl student holding a sword/small knife in a school uniform then it looks like she is about to stab somone then a pile of epxplodes in her face...and a boy who scatterd some books....and there anoda one with a girl fightin on air in a school uniform too, towards the end pls tell me d names of the animes plss