In a world of brilliant heroes, it's the trust of their fans that makes them into superheroes. If the people believe that a man can fly, he will fly. If a hero loses the people's trust, he loses his special abilities. Trust Value is collected and quantified and used to determine a hero's ranking. Every two years, a tournament is held to choose the top heroes. Their performance in the tournament determines their new Trust Values and their rankings.
The absolute hero with the highest ranking... His name is X.

Note: The first two episodes received an early screening at a special event on 29 March 2025 at TOHO Cinemas Roppongi Hills in Tokyo and 18 additional venues across Japan. The regular TV broadcast started on 6 April 2025.

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Other: To Be Heroine