I think it’s better you start reading from the beginning, the manhwa adaptation omitted and changed many things so you’ll find some things confusing in the later chapters, it’s really worth it but if you just want to read from where the manhwa stopped I think it was around chapter 65-70 or chapter 11 in other translation versions
here's my edit: https://sites.google.com/view/honeebuni/

Reading the first chapter again after finishing the novel and knowing the ending feels amusing