Dome Police, which has stopped functioning, the Japan ceiling that accepts the people of Gangaran. In order to prevent trouble, Gangaran volunteers established a vigilante group like the Gauri Squad, with Adet as the captain. After that, Adet took out King Gainer and Gainer without permission and came to the secret base of the Siberian Railway. He plans to obtain a Silhouette Machine for the unarmed Adet Squad, but he is discovered and enters combat. Waiting there was the new Overman-Mex Brute on which Kejinan rides and the reinforced Dogozzo-Dobegg unit.