She is mine. Let's take a look at this

Jay's family was broken; her parents were divorced. She had a biological brother who lived with their father, while she stayed with her mother. Later, her mother remarried a man who had an adult son, making him her stepbrother. Despite that, they always felt like real, biological siblings. But then, tragedy struck-a car accident took the lives of their parents.
Kiefer has no siblings. He only has a few best friends, specifically Aries and Ace. He doesn't really have a family-at least, he doesn't consider them as such. He runs the most powerful and wealthiest company in the world, standing entirely alone at the top.
Let's see what happens when these two worlds collide. Welcome to the story of Jayfer and Jay brother