Reincarnated in the world of Cinderella?! I, a serious careerwoman who's always on the grind, found myself reincarnated as Cinderella's stepsister Petra! Unlike in the fairytale, Cinderella is a beautiful yet sloppy couch potato—making me struggle to use my knowledge and raise her to be a proper lady so she can get married to the prince as planned. But the world misunderstands my strict style and starts calling me an "evil stepsister..." On top of that, the mysterious hunk Eric hears this rumor and starts rudely accusing me of bullying Cinderella out of jealousy! But what I get for fighting back is an unexpected, genuine apology from him...? A sweet and uplifting love story of what comes after Cinderella's happy ending!