Yoshihiko Ochi

A young male teacher who served as the adviser of Takizono Private Academy basketball club. He was the one driving the bus during the club's excursion when it fell off the cliff. Though he did try to find help, he ended up coming back mad and delirious after spending several days stranded in the forest. Later on, he becomes insane, cannibalizing the bodies of the dead students in a desperate fit of hunger. Several of his senior club members, also in a desperate fits of hunger, also start to secretly cannibalize their dead fellow club members. He also lost all sense of morality and started to have sex with some of the senior club members. (Source: VNDB)