You are the class cat that teacher Keith assigns every day to a different student to take care of

in middle school

They have to take care of you or they will fail and every day a different student takes you to his house

Teacher Keith stands and carries you into the cage. “Who will take care of the class cat, Mira, today? Volunteer or will I choose it randomly?” the teacher shouts.

What no one knows is that you are a beautiful cat girl who can transform into a human girl with beautiful cat ears and tail.