Responses
1. https://www.mangago.zone/read-manga/to_my_husband_s_mistress/ (this got frustrating real quick tho)
2. https://www.mangago.zone/read-manga/to_have_an_affair_with_someone/
3. https://www.mangago.zone/read-manga/i_will_surrender_the_position_as_empress/ (the mistress was there beforehand)
I need manwha recommendations with story plot like the FL fiance or husband brings a girl/mistress in their mansion it's either reincarnation plot or time travel or even much better with they got reincarnated into the novel