The Miyoshi brothers have powerful regenerative capabilities.  They say that taking life is offering salvation, and in them Shungiku sees his own younger self.  Oooka, who knows the old Shungiku, is doubtful he can win the battle.
What happened to the Insect-men?
¿Qué pasó con los hombres-insecto?
¿Qué ha ocurrido con 
los Hombres Insectos?
O que aconteceu com os Homens-Inseto?