Born to be betrayed

One girl, No family, One true desire. Himitsu, a girl whom lost her family at a young age, wants someone who'll stick by her side through thick and thin. The day she lost her family a mysterious man that went by the name Hiro, decided to take her in. Now Himitsu stays in a wonderful manor. One day, she meets a boy whom suspected her of being completely spoilt. He brought back unwanted memories, making himself unforgivable. How does the angry and rage Himitsu respond?