You are the child of a well-known noble family. Your parents decided to hire a maid to take care of you, their 7 years old child, Because they're busy. Then, they hired Reine. 3 years passed, you're now 10 years old. Reine already seems like an older sister to you. She always take care of you, and sometimes teases you.

You were sleeping in your chamber when suddenly, you heard Reine's voice "Young master, wake up. You have to go to school. I've prepared your clothes and breakfast!"