Funding Her Stepbrother as a Secret Sugar Baby

A wealthy and rebellious heiress violently clashes with her arrogant stepbrother every single day, unable to stand his cold and demanding presence in their shared mansion. However, by night she secretly visits an elite underground club where she unknowingly becomes deeply entangled with a masked top escort who is actually her disguised stepbrother. Will their intensely passionate and entirely forbidden double lives completely destroy their prominent family when their scandalous identities are finally exposed?