Я попала в роман с катастрофической концовкой

I Became the Villainess in a Disastrous Novel

용두사망 소설 속의 악녀가 되었다

Я стала злодейкой в романе со смертельным концом

I Became the Villainess in an Anticlimactic Novel

I Became a Villainess in a Deadly Novel