A strange disease in which a man transforms into a woman's body,'acquired feminization'. - To approach the mystery, I interviewed a former man who was alleged to have developed feminization. - "She was a woman when she woke up one morning," he said. - It looks completely female. - The contents are a man. - A physical examination revealed that his chest remained small. - However, when he checked the sensitivity of his nipple, he suddenly leaked a feminine voice, "Hmm ...!". - This is interesting. - It looks like we need to look into it. More..