Whoop whoop

wait for the novel or could it be possible that you mean the webtoon?
Plz tell me someone picked this story up and it's not just a promo ╥﹏╥

I think it’s the novel comment above had these
https://wuxiaworld.site/novel/the-precious-sister-of-the-villainous-grand-duke/ or

https://www.novelupdates.com/series/the-precious-sister-of-the-villainous-grand-duke/

yes, for the novel:D

awwww
┗( T﹏T )┛