One day, when Hidaka Kishi is going to school with his close friend Kimiko, he notices a strange new song on his music player: "Who Killed Cock Robin?" Little does he know, a murderous game is beginning, wit...

San and Mayu are two schoolgirls living in Okinawa during the closing months of the Pacific War. Together with their classmates, the two friends are drafted into the war effort as nurses for wounded soldiers...