Years before becoming a teacher, underground hero Shota Aizawa thought he understood what his job meant: stop villains, protect civilians, move on to the next mission. But one night, in the wreckage of a raid gone wrong, he finds something he never expected. A terrified one-year-old child left behind in the shadows.The mission ends. The villains are captured.But Aizawa can’t walk away from the child clinging to his scarf. His life changed.