Synopsis: The Male Lead Proposed to Me

남자주인공이 내게 청혼했다 / Namjajuingongi Naege Cheonghonhaetda / Namjajuingong'i Naege Cheonghonhaessda / The Hero Proposed to Me / The Protagonist Proposed to Me / The Hero Proposed to Me / 男主人公向我求婚了 / Pahlawan Melamarku / Sang Pahlawan Melamarku / เมื่อพระเอกขอฉันแต่งงาน / 末っ子悪役令嬢は皇太子様に求婚されました Ciel wakes up in a novel as the villainess who torments her adopted sister and the female lead, Clara, until she’s executed for her misdeeds. Determined to avoid this fate, she becomes the sweetest sister, doing anything for Clara’s happiness. But to her surprise, her efforts end up altering the plot, eventually leading Prince Alex, the male lead, to propose to her instead of Clara! Will accepting his proposal bring Ciel the happy ending she desires? Or will it only bring her greater challenges?