Haneda Airport recovers from what seems like a terrorist bomb attack, though no threat or demand was sent. Detective Shiba suspects superhuman involvement, but all the evidence is taken from the Tokyo Metropolitan Police by the Superhuman Bureau, so Shiba tries following a lead to Yatsuka Heavy Industries. Along the way, Shiba meets a girl named Mieko, but quickly discovers that she is a robot as the Superhuman Bureau intervenes and Shiba is caught in an explosion...