Natsutsuki, who lives with her father, had a wicked affection for her, who had been a beautiful girl since she was young. Her father trusted Fujita, but Natsutsuki hated men who sometimes looked at her with irritable eyes. At that time, her father will be on a business trip for her work. Taking advantage of this opportunity, Fujita uses the "event app" that she got to try to make her Natsutsuki a thing. "With this, you'll become my only maid." ! !