In the first OVA Pinoko suffers from an inexplicable pain attack, but tests are inconclusive. Black Jack is stimied until he learns the mother of the child is Yuri Saionji. He operated her long ago and had a brief relation with her. After meeting Yuri BJ decides to try to help her and in that way also help Pinoko. Long repressed emotions surface again...
In the second OVA…