In the original novel, during the funeral of the character whose role you've taken over, the prince Lyon and the female lead Loretta who was the characters sister meet and eventually marry. However, as you intervened and prevented their death in the new timeline, the prince and sister don't meet right away. So you introduce them and try to bring them together, the prince becomes more interested in you, as he gets to know you in this timeline. The sister may not be who she seems to be. Fantasy.