Description:

Stella finds herself reincarnated into the beloved fairy tale "Cinderella" as one of the evil step-sisters who bullies Cinderella?! She tries to get along with Cinderella in order to avoid the original ending of the fairy tale, which would see her fall into ruin...!? A unique, realistic (?) Cinderella story that begins with reincarnation! (Source: Mag Garden, translated)

Alternative Titles:

悪役令嬢に転生したと思ったら、シンデレラの義姉でした ～シンデレラオタクの異世界転生～, Akuyaku Reijou ni Tensei shita to Omottara, Cinderella no Gishi Deshita - Cinderella Otaku no Isekai Tensei, Akuyaku Reijou ni Tensei shita to Omottara, Cinderella no Gishi Deshita ~Cinderella Otaku no Isekai Tensei~, I Thought I Reincarnated as a Villainess, but It Turned Out to Be Cinderella's Stepsister: Cinderella Otaku's Reincarnation in Another World, I Thought I Reincarnated as a Villainess, but It Turned Out to Be Cinderella's Step-Sister: Cinderella Otaku's Reincarnation in Another World, I Thought I Reincarnated as a Villainess, but I Turned Out to Be Cinderella's Step-Sister ~Cinderella Otaku's Reincarnation in Another World~