As Reito begins to adapt to this new, man-less world, he finds clues that the virus was artificially created.
it means that there's a chance the other 
men in cold sleep could come out someday.
implica que otros hombres podrían
despertar de forma segura en el futuro.
implica que otros hombres podrían
despertar de forma segura en el futuro.
significa che c'è una possibilità
significa que há uma chance de que