After transmigrating into the BL webtoon 'In The House of Dolls, There’s Another Doll Living There' and leaving a spiteful comment, I find myself as the adopted younger sister of the male lead, who, though regretful, meets a tragic fate alongside the duke. Determined to alter their destinies, I refuse to accept their deaths. With my newfound presence in this world, I set out to rewrite the narrative, changing the male lead's tag from 'Obsessive' to 'Considerate' and steering the story towards a 'Happy Ending' instead of the original 'Sad Ending'. It's time to reshape this tale and secure a brighter future for all involved.