Haruka Minazuki and Aoi Kannazuki, students at St. Cherine Academy, may seem like typical girls during the day, with Haruka exuding vibrant energy and Aoi excelling academically. Yet, behind this facade lies a hidden truth they must protect. Unbeknownst to their peers, they transform into the dynamic Twin Angel duo, dedicated to battling the town's malevolent forces. Despite their contrasting personalities, these best friends unite as formidable protectors when duty calls, ready to unleash their powers and defend against evil once more.