Brixton is a single father, he has a 7 years old daughter named Emily. He is also the boss of one of the biggest mafia organization in the world. Because her school results were not good, especially in literature, Brixton hired a tutor to tutor her daughter. Anna also loves her tutor very much. He is a young man who is always gentle and considerate with her. Furthermore, he is also her homeroom teacher. The small family's life remained peaceful until Daniel realized that perhaps he had feelings.