1 izumi dies by the vampires
2.- izumi its recruited by the vampires (hes converted)
3.- izumi sell the gantzers info in order to live
4.-Izumi turns out to be a vampire too, but that it ended up in GANTZ before he was succesfully transformed, so he will now lead the vampires against the gantzers and humanity.
bwahhahahaaha, the maximum boss being izumi... its kinda cool isnt it,