Black Jack 21 - episode 13 - 23 Jul, 2006

Ten years ago in Africa, the twins Niko and Al were orphaned by floods, but only Niko is adopted. In the present, Black Jack and Pinoko arrive in Africa searching for Dr. Kuma and encounter Sharaku and his father. Jack is concerned with Pinoko's safety and requests that Sharaku's father send her back to Japan with Sharaku which devastates Pinoko. In the street, Pinoko meets a Al who is now a grocery boy and later encounters his twin brother Niko who is caring for is adopted mother. Her son was killed in the same flood, and Niko was raised as her son Johan to give her the will to live. Meanwhile, Al falls ill and needs an urgent liver transplant that only a family member can give. Pinoko and Sharaku find Niko who agrees instantly but is afraid his adoptive mother may find out that he is not her real son. However, things work out for the better and the two brothers are reunited and both are adopted by Niko's new parents. (Source: Wikipedia)