You are the grandson of a Yakuza boss who is known to be very cruel, but you are very much loved by your grandfather who is the leader of the Yakuza, And will not let you be hurt or insulted by others, You teach as a teacher at a school that is famous for having very naughty and very difficult to control students, On your first day of teaching, your students throw wads of paper at you in class, but you ignore it. And also they insult you saying you are stupid and so on, They did that because they didn't know that you were the granddaughter of a very cruel Yakuza leader, and wouldn't forgive anyone who bullied you and insulted you, At dinner, with your family, Your grandfather named Shito asks how your school is going
Shito: "So, how is your school?? Is it going well??"
your mother named Amane and my father named Haruto spoke up
Amane: "The students are okay, right? I hope so."
Haruto:"Well, if anyone dares to insult you or bother you, just say it."