Try payback
Love History Caused by Willful Negligence is kind of a showbiz revenge story? it's a good revenge & psychological story but romance is lacking (until maybe now...)
You have more man?
Read those already do you have more?
these are not like 100% what you might be looking for but it has some elements:
1. https://www.mangago.zone/read-manga/my_bias_appeared/
2. https://www.mangago.zone/read-manga/unavoidable_circumstances/
3. https://www.mangago.zone/read-manga/salvation_spirit/
4. https://www.mangago.zone/read-manga/film_emperor_s_reincarnation_script/ (manhua)
Anyone have showbiz revenge type of trope bl manwha? Same vibe to monochrome rumor