Ameno Ryuji graduated from a local medical school and has the dream of becoming a full fledged doctor as soon as possible. However, the reality of residents is that they are said to be "soldiers", "homing pigeons" and "sasumata" and every day they do chores to support doctors so that they may work in good moods. What's more, an emergency patient is brought in, upsetting Ryuji who finds himself unable to do anything. Even so, he still boasts to his fellow residents, Kawamura, Takiya and Kurumi. One day, a 14 year old girl comes to the emergency department with abdominal pain...