In a desperate effort to raise ratings, the animators give the Department of City Security a new member: Ropponmatsu Unit 1, a beautiful, bionic robotic bomb-shell of a bomb-disposal expert, who becomes Iwata's new fetish. The timing is auspicious, since the agents of ACROSS are planning to deliver a bomb to City Hall. While they fail in their task, City Security loses Ropponmatsu in the encounter.