The Bodyguard [Uniform Series Part 1]

Annie is a 16 years old girl and goes to a private school. She comes from a rich family and doesn't know what love means.
One day she finds a mysterious message on her desk in her class. From that day on, she'll always receive one of them, but who writes them?
Coming from a rich family, she doesn't have much space to be free, always brought somewhere by the employees of the family... When her father tells her that she need a bodyguard too... She hates it.