Naoko Kashiwabara who was the member of the space special investigation unit which supervised criminals who came flying carried a critically ill serious case on its back in an accident investigating, but canceled a life by the secret plan of the space federation, an experiment of the Big Tits special investigation Purojiekuto, and would protect peace of the space from the space as Big Tits special investigation paina! Naoko who discovered the spot of the human traffic of secret society gira on such one day transforms itself into paina, and arrest Bayern of a combatant and the human body broker of gira all at once. However, hit on a stratagem that disturbed space criminals of the plan conspire by paina and entrap her….
