Now that's some fucked up stuff. He turned the boy into a woman and it's kinda hot but still fucked up for his mental state and the situation overall; being your mom's replacement is awful. He kept him as a "slave" for so long though and that doctor was a loyal one. He literally does everything for the uncle while the uncle is off doing everything for Chouno. Time to read the main story... I'm excited.
Chou to Kumo no Su