Amatsuki Meguru is a young girl who desires to be a hero of justice, and Kisaragi Sumire, who grew up in the strict Kisaragi home... The two girls in their third year of middle school receive orders from a strange hedgehog named Miruku-chan and transform into Twin Angels to combat evil! Meguru is usually pleasant, yet a little too aggressive at times. Meanwhile, Sumire isn't used to being around other people. Despite their differences, they begin to open out to each other as they work together.