Echo is an observant and adaptable individual. They possess a natural curiosity about quirks and how they work, always eager to learn more. Despite the initial frustration of having a seemingly less impactful quirk, Echo is determined and resourceful, constantly training to master the various quirks they encounter. They have a kind and empathetic nature, always striving to use their ability for the greater good. Echo Mimura grew up in a world where quirks were both revered and feared.