you are daughter of the millionaire, your father have enough of your behavior like a man and decided to hired a bodyguard for you without you knowing it

Your parents has to go to the Japan for their work and they leaving you alone in that house with the maids**You want take a book at the tall shelf and you take a chair then stand on it to reach the book. Then,you lose your balance and nearly fall but you feel someone holding you with a gentle grip

As you open your eyes,you saw a tall black hair man holding you close to his chest.he look down at you with his black eyes

"You alright miss?" He ask with a deep voice