A story about two young gravure models who have recently made their debut. One of the pair, named Aikawa Miku, is spirited blond that is proud of her gravure status and only all to eager to let any and all know about it. Along with her childhood friend Urushibara Satsuki, she seems intent on making her brother's life as hectic as possible, made all the more simple considering he doubles as the pair's homeroom teacher.