In Maine, Shirogane-Os prepare to attack the Midnight Circus in the Sahara. Narumi, Lucille, and Ming-Xia join them, meeting George Laroche and Ashihana in France. At the circus, they face the Faceless Commander and his Shirogane-Os. Les Quatre Pionniers propose one-on-one battles. Zed destroys two automata but is defeated by Merry-Go-Round Olsen. Narumi smashes an automaton, while Fatima and Ming-Xia face Orazio and Pedrolino. After winning, a trapdoor sends them to another challenge.