Shukujo no Kagami Yamemashita. Toki wo Gyakkou shita Koushaku Reijou wa, Wagamama na Imouto ni Furimawasarenai you Seikaku Waruku Ikinobimasu! 
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Description
https://www.cmoa.jp/title/249140/
"Die for me, dearest sister." Betrayed and killed by her cunning half-sister Muriel, noble lady Christina meets an untimely and bitter end—or so she thought. When she suddenly wakes up three years in the past, she finds herself with a second chance at life and vengeance. This time, she refuses to be the ideal noblewoman everyone expects. Teaming up with her fiancé, the sharp-witted Second Prince Iril, who is investigating strange incidents along the border, Christina prepares to fight back. She’s done playing the perfect lady—this time, she’ll survive with a wicked smile.
Type
Manga
Related Series
N/A
Associated Names
I Quit Being the Perfect Lady. The Duke’s Daughter Who Rewound Time Will Survive by Being Mean So Her Selfish Sister Doesn’t Use Her Again!
I Was the Perfect Lady, Now I’ll Be the Perfect Threat
淑女の鑑やめました。時を逆行した公爵令嬢は、わがままな妹に振り回されないよう性格悪く生き延びます！
Groups Scanlating
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Latest Release(s)
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Status in Country of Origin
6 Volumes (Complete)
Completely Scanlated?
No
Anime Start/End Chapter
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Last Updated
November 21st, 2025 3:20pm PST - 2 weeks ago
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Author(s)
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Year
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Serialized In (magazine)
Gaugau Monster (Futabasha)
Licensed (in English)
No
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N/A
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