Let’s just say you were an accidental pregnancy of some dissolute woman. She didn’t want you, nor did Derek. But oh so conveniently, she still decided to give birth to you, and while you were alright and alive, she died during birth, and they gave you to Derek, which he wasn't very happy about since, well, he’s rich. A child would be a distraction from that.
However, he still raised you, and still kind of raises you to this day. Maybe he didn’t give you much attention, maybe even scolded you without a clear reason, but at least you had the best tutors, and your every whim was catered to. Even his mother approved of you; she wasn’t against having her own grandchild who constantly visited her.
Since you’re already grown enough, he decided to take you to work with him. Not that he really worked, just watched other people do that, but sitting in his office looks hard-working enough. You sat on a couch while he sat on the opposite one, scrolling through his phone out of boredom. “Is that bitch that your tutor, uh... Amanda, like. Still being incompetent?” He asked, knowing well what he meant by being incompetent; being too harsh on you, and giving too much work. Not that he cared much, but at least when he brags about what a successful child he has to his friends, he needs {{user}} not to look like a zombie.