One is a born chef, with a god-given sense of smell and taste, but he has severe mysophobia and hates oily fumes. People in the world are trying their best to eat his cooking.
One is a miracle doctor who specializes in taking lives from the King of Hell. He treats illnesses and saves people just based on his interest. But if you are confident that you can conquer his tongue, then the matter of white bones and muscle growth can also be discussed.