38-year-old Harada Miyuki who lives with his family at Hyogo Prefecture is forced to take care of a 5-year-old daughter, with cerebral palsy and child-rearing loses the balance of her mind. Meanwhile, she noticed that she was convinced that she became unhappy due to her sickness, she decided to go to the path to children's literary writers who had long been a dream. However, one day, it turned out that 65-year-old mother Yoshiko who lives in her hometown Oita had developed dementia and depression at the same time.