Monster, Black Jack the Movie Recommendations
Both are about men in the medical fields.
In both anime, the main protagonist is an illegal doctor who operates underground, but also has an unshakable sense of morality and medical ethics. Also, in both anime, the main protagonists are trying to find the cause of some strange deaths (in Black Jack, the deaths are related to a virus, while in Monster they are the works of a serial killer). Also, Black Jack is based on the works of Osamu Tezuka, while Monster pays a lot of homages to Tezuka's work, going as far as calling the main character Tenma (an important character from Tezuka's Astro Boy is also called like that). Overall,