Earth is at war with aliens. The war has left the male population decimated. This leads to the creation of a mecha unit called the Sonic Divers, piloted by 3 young girls.Earth is at war with aliens. The war has left the male population decimated. This leads to the creation of a mecha unit called the Sonic Divers, piloted by 3 young girls.Earth is at war with aliens. The war has left the male population decimated. This leads to the creation of a mecha unit called the Sonic Divers, piloted by 3 young girls.