The TPU's Department of Technological Development, Special Section 3 is in charge of the maintenance for the GUTS Hawk, GUTS-Select equipment, the Nursedessei, and more. Alien Metron Marluru returns to Special Section 3 to rejoin her former co-worker, section head Masamichi Hotta. Overjoyed at their reunion the two reminisce about their past, prompting Masamichi to boast proudly about his latest invention.