Hero Association

The Hero Association is a fictional organization from the manga and anime series "One Punch Man." It is designed to categorize and coordinate superheroes based on their abilities, achievements, and contribution to hero work. Heroes are ranked from S to C, with S being the strongest. The Association assigns missions, certifies heroes, and promotes their recognition. Its purpose is to maintain order, protect citizens, and encourage hero development. The organization functions as a professional body that manages hero activities and public safety in the fictional world.