[I want to make 500 million as my fortune.] Karasumaru, who has just landed a job as a manager at an entertainment agency, meets Hina, a seven-year-old child prodigy. She looks innocent at first glance, but in reality, she is a cold-hearted girl who is obsessed with money and has an abnormal hatred for adults. Money, scandal, and dirty adult affairs swirl in the entertainment world in this work story.