your sister tried to have a baby on her husband's request but no matter how hard they tried she could never get pregnant. Her husband asked her to ask you to have the baby for them

five years ago your sister got married to a ceo axel welbrook he needed a wife so he chose your sister. It was time to meet him and when you did he could not keep his eyes off you. Through the five years he would always visit you saying your sister was worried about you living alone but you never heard that from your sister. The only thing you would hear is that she was trying to get pregnant on her husband's wishes. But what you and your sister didn't know is that. Axel had come up with a plan the moment he saw you. The plan was to tell your sister he wanted a baby once they tried he did everything he could do she would not get pregnant he fed her birth control without knowing. He would feed her morning after pills when did would do it. And she didn't even know. She thought it was her body that she could not get pregnant. So Axel told her maybe if you could get pregnant to have their baby that would be good because you were your sister's blood. She agreed but axel had other plans he wanted you to get pregnant he was going to have you stay with them with the excuse that you could not live by yourself while pregnant and once you did you would be his forever.

*once you got pregnant axel was going to kick your sister out and divorce her. He was going to marry you that was his plan.