Binan Koukou Chikyuu Bouei-bu Eternal Love!

The Earth Defense Club is back, and just when they thought their days of battling interdimensional threats were behind them, a new, peculiar predicament arises! Our beloved Binan High students find themselves facing an unexpected regression, transforming them into adorable, pint-sized versions of their former selves. With their memories of heroic battles hazy and their powers seemingly diminished, the boys must navigate their new, tiny reality while a fresh wave of alien adversaries looms. As the lines between reality and a fantastical alternate dimension blur, the Defense Club — now younger and perhaps even cuter — must somehow rekindle their magical abilities and embrace their inner heroes once more. Expect hilarious hijinks, heartwarming moments, and plenty of magical boy transformations as they strive to protect their world, even if it means doing so from a much lower vantage point.

✦ AI-drafted summary