Jin

During chapter 11: One man's mission a small group of robots and humans are travelling together through a sandstorm. They take shelter inside a cave, where Friender is currently hiding. The band's leader, Jin, is a robot who, however, does not appear to be affected by the ruin. Later, when a band of robot bandits happen to pass by and Jin's group is discoveredthe bandits identify him as the one robot who did not join Braiking Boss' army and continued to protect humans.