Abacus Wizard
![Black Jack (1993)](https://m.media-amazon.com/images/M/MV5BOWIyYmU2NTYtODMxYy00Y2M2LWIzNTctM2VkYjUxMjUwZjJjXkEyXkFqcGdeQXVyNDYzNTI2ODc@._V1_QL75_UY281_CR8,0,190,281_.jpg)
Black Jack remembers when he operated on a boy named Eiji, a genius at the abacus who couldn't move his fingers and used his tongue to operate the abacus.Black Jack remembers when he operated on a boy named Eiji, a genius at the abacus who couldn't move his fingers and used his tongue to operate the abacus.Black Jack remembers when he operated on a boy named Eiji, a genius at the abacus who couldn't move his fingers and used his tongue to operate the abacus.