Shoujo wa Hyouryuusuru

Natsuhime's parents were killed on the night of her 16th birthday. Luckily Natsuhime's life is saved by a man, but she doesn't realise that what awaits her is a life of confinement with her brutal savior. Moreover, Natsuhime finds herself in the depths of despair when she learns that she is the one being accused of killing her parents. Five years later Natsuhime's revenge arc begins in order for her to regain her life back.