The Poor Girl He Bullied Was His Lost Sister

DramaBox synopsis

Eighteen years ago, a kidnapping tore apart two billionaire siblings. The brave sister lured the kidnappers away, lost her memory, and ended up in the slums. Now fate reunites them at their family's luxury hotel—she's a lowly employee, he's the untouchable heir. Framed by his vicious fiancée, they become bitter enemies. He ruthlessly humiliates and crushes her, dragging the sister he spent his life searching for into hell. When the truth is revealed, his world shatters.