Jo Carol Brane attempts to hire Dr. Black Jack on a breed of superhumans that have the strength, intellectual, athletic, and artistic skills with great excel in different fields, only to later find out that they start deteriorating after some period of time and causing an untimely death. Jo needs Dr. Black Jack's help on finding a cure.<br><br>
(Source: Anime News Network)

Passed away on March 15th, 2021 of acute heart failure. Had retired from voice acting in 1997 because of lost eyesight and an amputated foot from diabetes.

Chibidebu