When Majin woke up, destiny’s already predicted vocation of six random people – they had to rescue the world. Adlet Mayer was sure he was the most powerful hero. As evidence, Heroes of the Six Flowers (Rokka no Yūsha) chose him for the main task. When he followed the destination, he met seven instead of six heroes. Is someone redundant? Now the team thinks one might be a betrayer among them. Why do they all suspect Adlet?