Born in September of 1995, Momone Nagaura lived with her parents, grandfather, and sister in Kesennuma City, Miyagi Prefecture.
After failing her college entrance exams, she went to live in Tome City with an acquaintance of her grandfather's.
Momone's life changes when she meets a popular weather forecaster from Tokyo, who teaches her how weather forecasts can predict the future. She decides to study to become a weather forecaster.