Okay so there is this Manga the plot goes like this that there is one version of ml and FL who are i
Wording has confused me a bit but the rest of the description made me think it might be this one that you're looking for: https://www.mangago.me/read-manga/endo_and_kobayashi_s_live_commentary_on_the_villainess/
This one maybe? https://www.mangago.me/read-manga/okane_ga_nai/