A hero who manages world peace. There were twins who longed for their overwhelming power and vowed to become a "hero". However, a few years later, his younger brother, Hiro, broke his dream and became a cleaning worker to clean up the heroes.Hiro tells himself that he has a position (rank) that was decided by nature, with his brother who became a hero sideways. However, when I saw the despair of my important childhood friend, Minami Iruka, I was prepared to go against that fate with the first and last resolutions!"