TO BE HERO X

In a universe where extraordinary beings are celebrated, it's "belief" that breeds these superheroes. If people have faith in a person's ability to fly, he or she will acquire that skill. On the other hand, a hero with specific powers can be stripped of them if he or she loses that belief. Every two years, the most exceptional heroes gather to compete in a tournament. Their performance reveals their "confidence index", and the ranking changes. The supreme hero who comes out on top is designated by the term "X"...