living in the neighboring apartment are three guys: iwata, sumiyoshi and watanabe, who along with apartment neighbor and co-worker matsuya, work for the department of city security. the department's leader, dr. kabapu, also has a grandiose plan on stopping across; he has the city security workers dress in super sentai-like uniforms and sends them on different missions. supporting kabapu is an inventor gojo shiouji who likes little girls, and his gynoid ropponmatsu, who later is deployed as two models.