The space development station "Momoiro Sango" is destroyed by a mysterious unmanned mechanical corps. The three surviving helpless girls, Amuri, Perrier, and Suzu, are kidnapped by the giant waste collection satellite "Galapagos" floating in orbit without knowing why. With the puppet agent "Ukatan", the defenseless Amuri and others are waiting for rescue in the medical capsule "Uteris", but the enemy gathers countless weapons and launches a complete attack. What is the purpose of the unknown enemy? What is the fate of innocent girls? The key to survival was the space suit for the adapter that I got by chance!