It dares you to quit at episode one, and the people who don't are the ones still recommending it years later. The opening is a confusing wall of Heroes, Successors and Destruction lore dumped on you before you've been given a reason to care, and then the show quietly gets good: Nemo's borrowed Hero power stops being a shonen cheat code and starts being a burden, and the twists in the back half actually reframe what you watched. The Seven Knights work because they're written as coworkers with clashing agendas rather than a beginner's power ranking, and the show trusts you to catch personality in a glance instead of a monologue. The soundtrack carries fights that the budget can't always sell. Yes, it's a mobile game adaptation running the standard playbook. It also lands a few gut punches that shows with triple the hype never manage, and if you rode out Akame ga Kill's tonal whiplash, you already know how to watch this one.

Long ago, heroes battled the forces of Destruction and passed into legend. Their power was later inherited by successors who defend the world, and the most elite of them are known as the Seven Knights. During an attack by Destruction, Faria, one of the Seven Knights, rescues an ordinary boy named Nemo. In the fight that follows, Nemo calls on the power of a hero and becomes a successor himself. The hero behind his power, however, is someone history has no record of. An action fantasy journey follows, where the past and present meet.