Private weathercock school second grader "Karen Mochizuki" She is a very ordinary girl who is everywhere. However, her true identity is an evil extraterrestrial lifeform that aims to invade the earth. A transformation heroine of justice fighting "Dark Roar Species" She was "Bombing Angel Azurier". If she unravels her transformation, she will be a maiden in love around her age. With my boyfriend "Hiro-kun" who has been dating for a month In the middle of sweet and sour youth romantic comedy. However, the devil's hand of the evil organization is for such two people He was secretly sneaking up.