Awww my its my pleasure to help (⌒▽⌒)
After i looked i actually found it here so here's the link
http://www.mangago.zone/read-manga/a_thing_hiding_in_a_erotic_cult/
so like im looking for this manga where its like that cliche plot where the fiance is breaking up with the female mc in front of everyone and telling her that hes gonna marry some other girl, but the female mc just goes and straight up beats everyone in the room up lol
I think you're talking about this
http://www.mangago.zone/read-manga/may_i_ask_for_one_final_thing/
WERE BACK ITS ALIVEEEEE