Episode Title:Showdown.Episode Description:Osamu, who faces the Katori corps, defeats Wakamura in a battle using the wire trigger "Spider", and also drops Miura in cooperation with Yuma who has rushed. By the two trainees, Tamaki's second run alone at once. Memories of the past are revived in the mind of Katori, who was forced into a difficult battle situation. On the other hand, it seemed that Chika, who greeted Teruya, the only survivor of the Kakizaki Corps, had won, but Chika escaped urgently (ruby: bailout) in response to Teruya's tenacious counterattack. The whereabouts of the battle were left to Yuma and Osamu.