A boy and a girl pledge lifelong friendship in a small town junior high school. The relationship between the two, who are destined to share a common dream, has passed two years without any particular development.Himari Inuzuka, a bubbly girl who has yet to find her first love, and Yuu Natsume, a plant-loving boy who enjoys flowers, still spend their days peacefully as best friends in the gardening club in the second year of high school.