User blog comment:Takagi-San/Highschool of the Dead Season 2 thoughts./@comment-3471366-20120526134434/@comment-3471366-20120528142418

Thank you Turamber1, I completely forgot about that. And it's completely unknown what the cause of the zombies are in this is yet. But sadly, the ghost idea is probably not going to happen, like you say. But keep in mind that even in shows without supernatural occurances like Bones and M*A*S*H, they had ghosts appear in an episode, so it's still in the realm of possibility.