High school student Hazuka worries if she is pregnant by her ex-boyfriend. Aoi is Hazuka’s classmate, but they are not friends. Aoi is an honor student who feels loneliness because of her busy parents. To forgot her loneliness she steals things. The two girls meet an elderly woman with Alzheimer's disease. The old woman wants to give a love letter to her first love. Hazuka and Aoi try to find her first love.
