Proud to be the Villainess: I'm Doomed After Stealing my Half-Sister's Fiance and Having Her Banished

Wellmy will do anything for her sister, even becoming the story’s fallen villainess.

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悪役令嬢の矜持　～婚約者を奪い取って義姉を追い出した私は、どうやら今から破滅するようです。～