Rokka: Braves of the Six Flowers (2015)

According to legend, when the Evil God rises from the shadows, the god of fate will summon six heroes, granting them the power to save the world. Adlet Mayer, who calls himself the "Strongest Man in the World," arrives on the continent of Piena with dreams of becoming one of these champions. While his journey takes unexpected turns, he is eventually selected as one of the six heroes, alongside Nashetania Loei Piena Augustra, the crown princess and another Brave. Together, they set off on their fated quest to confront the Demon God and reunite with their fellow heroes. However, when they come together, there are seven heroes instead of six, leading the others to suspect Adlet of being a fraud. Now, Adlet must rely on his unique abilities and cleverness to uncover the true impostor before it's too late!