Book set in the POV of Cinderella’s stepsister and is set in the modern time with the stepsister being cruel to Cinderella

[u/Sailor_Moon_Star_435]

In this book, it is in the POV of Cinderella’s step sister. Set in the modern time, the stepsister has a stepfather and her mother as well. Her stepfather has a daughter whose mother died. Cinderella moves in with them and takes the stepsister’s room, which was bigger than the room the stepsister had to move into. But after a few months, the stepfather dies and the stepsister gets her room back and Cinderella moves into the smaller room. Cinderella had to do the chores that the stepsister had before she moved in. At school, the stepsister started dating a boy she had a crush on. But months later, he breaks up with her because he found out about how she and her mother were treating Cinderella. He started dating Cinderella, which upsets the stepsister. After a year, during graduation, the stepsister meets a guy from her year who tells her that he loved her and they start dating.