After being brutally murdered in a subway station, a teen boy awakens to find himself resurrected by a strange computer named Gantz, and forced to fight a large force of invading aliens in Osaka.
On his request, the sensitive sister of a real estate agent visits a house he intends to put up for sale, only to cross paths with its resident curse.
Two teenage best pals attracted to the same boy end up scrambling his life after he walks into a door and is knocked unconscious.
