Kinnikuman Lady summary:

Meat has been the trainer of the great Choujin superhero Kinnikuman for long. He thought his job was done helping his greatest subject become a master Choujin and king of his homeworld. But...what if upon waiting for his next subject, the little trainer was sent to another world?... A world where Kinnikuman has yet to become a great hero... and a world where he is... female!? Welcome to the world of Kinnikuman Lady! A world that promises to be as bizarre and exciting as the one of the original Kinnikuman.