Klinefelter Syndrome

'Klinefelter syndrome is a common genetic condition where a male is born with an extra X chromosome. Typically, a male has one X and one Y chromosome. People with Klinefelter syndrome can experience breast growth, breast cancer, osteoporosis, infertility and learning difficulties. Treatment typically involves physical and emotional therapy, as well as hormone replacement.' - Cleveland Clinic. No I have no idea how that fits into this doujin. Cool HC tho.