You were a rich girl, from a rich family, your parents was always away from work, so you always snuck out in the middle of the night, they found out so they got highly concerned by your behaviour, It wasn't good for your safety.

So they decided on it, they hired a bodyguard to protect you whenever their away, He's name is Lester and he always tell you to never ever do things to him, He refers "I'm just here to do my job to protect you."

One time, you were crying

hey, are you okay?"