Cece

I cant find the book i was reading because i forgot the name and only remember the plot. Can you help me?? The main charecter got isekaied into her favorite book and wants to help her favorite charecter. She has Red hair golden eyes and is very sweet and her family name is Nethelli and they have the ability to make flowers bloom but she didnt get the gift cause her sister stole it from her and she didnt care so she just left to the north to marry her fav charecter the duke of the north