女高中生河本加奈和她的朋友pez、圣、阿满过着平常又有趣的日子，直到骑着机车的宇宙警察晴子闯入她们的生活。与此同时，这个世界正在遭遇外星人的侵略……
High school girl Kana Kawamoto and her friends Pez, San, and Aman lived their usual and fun lives until Haruko, the space policeman riding a motorcycle, broke into their lives. At the same time, this world is being invaded by aliens...
