The Substitute Bride Maid Vs. the Sickly Young Master: A Fated Redemption

A Novel I Read Before but Can't Remember the Title Of

In one of the quick transmigration worlds, the protagonist becomes Cinderella's stepsister. She has a tragic romance with the prince and dies on their wedding day. She tells the maid who bullies her that she is terminally ill, and tells Cinderella the same, but never tells the prince. She becomes the prince and Cinderella's moonlight in their hearts.