Amatsuki Meguru is a girl who innocently aspires to be a hero of justice, and Kisaragi Sumire is the cool girl who grew up in the strict Kisaragi household... The two girls, who are in their 3rd year of middle school, end up receiving orders from a mysterious hedgehog named Miruku-chan and transform into Twin Angels to fight evil! Meguru is always cheerful but sometimes a bit too forceful. Meanwhile, Sumire is not accustomed to being around others. Despite their differences, as they work together, they start opening up to each other.