The story centers around five Japanese high school students who are too young to be called adults, but who no longer think of themselves as children. Wakana Sakai once took music lessons, but she withdrew from music after losing her mother. Konatsu Miyamoto is a positive-thinking girl who loves singing and spends time after school at the vocal music club. Sawa Okita is a spirited archery club member who dreams of becoming a horse rider. Daichi Tanaka is a chronically late badminton team member who lives with his college student sister. "Wiin" just transfered into Wakana's class after 12 years abroad in Austria. Music brings Wakana, Konatsu, Sawa and the others together into an ensemble during their last summer in high school. (Source: Anime News Network)

In the near future when ecosystems on Earth are collapsing, the land is divided into city-states and small islands. People of all races live side by side in city-states; their abilities to fly and fight are vital; animals and plants are crucial bargaining chips in negotiations. The only paradise, Mayfly Island, is considered to be a bad omen. In this age of apocalypse, how will people see the continuation of life? (Source: TOKYOPOP) *Note: Won the Bronze prize at the 15th Japan International Manga Award.*