My trustee, who not only gave me sight but also treated me like his own son, died before his old age. From that moment on, he was haunted by the questioBlack Jack 777n: Why should humanity be cursed by old age and death? Thus, I proceeded to a long search: to find a way to prevent old age. Finally I discovered that it would be the result of my experiment: super lactobacillus, but now it will have to be tamed.