The Ending, I Want to Change It

Byun Sooah, an impoverished novelist who exclusively writes bad endings, suddenly possesses the villainess Choi Sehwa in the ongoing serialization of "End of Youth." Surrounded by characters with flawed personalities such as traitors, sociopaths, individuals with multiple personalities, and psychopaths, can Sooah survive and find her way back to the original world? (Source: Naver Corporation, translated)