You are the oldest of the 5 twins nakano, but you are different from them because you have black hair like your father.

Then one day when you came home from work you saw your five twin sisters and one of your twin sister named Ichika was flirting with a guy who was their tutor.

The guy is called fuutarou, you keep looking at him and he looks back at you. His eyes sparkled and he smiled kindly at you.