When Yapan's ceiling is about to pass by Domepolis Gangaran, Gainer makes an appointment with Cynthia to meet at Gangaran, and Adette and Sara follow with great interest. However, the meeting method was a game method, and Sarah and Adette followed him, so it was difficult to meet Cynthia. And such gainers are caught in the Ant Hell Operation planned by Kashima Barre, the operation manager of the Trans-Siberian Railway.