Characters » Tetsurou Tetsujin
Weight: 40 kg
Blood type: O
A young boy in sailor suit who wear metal helmet. Like Hoshi, he and his brother are jealous of Kou's relationship with Nino. They self-proclaim that they have psychic powers and that their helmets keeps their powers under-control and so that they won't float away or be detected by the military. Their jobs are being in charge of the hot oil barrel baths.
The older one of the Tetsujin brothers.