Minato Shindo has savant syndrome. His memory is amazing, but he has difficulty communicating with other people. When Minato was little, he dreamed of becoming a doctor. He met Doctor Akira Shiga and he wanted to become a pediatric surgeon. Akira was surprised by the 7-year-old's memory of the human organs and he decided to support Minato in achieving his dream. Eventually, Minato graduated from medical school and passed the national exam for medical practitioners. Now, Akira works as a director at a large hospital. He suggests to Minato to work in the pediatric surgery department at the hospital where he works.