The series revolves around a playful young child named Shizuku-Chan. He, alongside his schoolmates, friends, and family lives a life of dangerous adventures in the Shizuku Forest.

The year is 2291, and the citizens live a peaceful existence after the catastrophic war between the humans and the Yuman. This quiet life is about to be shattered, the leader of the Yuman is not convinced the war is over, and now plans to renew hostilities!

The 30-minute film centers around a group of high school nurses called Himeyuri who served during the Battle of Okinawa during World War II. The Himeyuri Alumnae Incorporated Foundation, which runs the Himeyuri Peace Museum in Okinawa, produced the film with the aim to convey the experiences of those high school nurses, many of whom lost their lives during the battle, to children.

Yuzuru was an average teenager who had almost forgotten that he was betrothed to Azusa when he was only six! Now arriving to claim what she feels is rightfully hers, only Satomi (Yuzuru's current girlfriend) stands in her way... and with the mysterious and frightening powers that Azusa brings, Satomi won't stand in her way for long!