Mostly just sadness as the ML is trash
Short but the cheating is kinda sad. Not sure if you would consider this NTR as it doesn't have a lot of chapters out yet but you said you wanted to feel pain and sadness.
Her life is also just sad until the very last chapter. ML is like the only good thing In her life. Girl just doesn't get a break
Her life is just sad in general
I haven't read it but everyone says it very good. Only 6 because I haven't read it yet
Queen gets her revenge as she should. Ex is trash partner but he has his character development
ML is amazing BF/Husband. Ex is trash
On the lighter side of pain/sadness compared to the rest
My Fiance is in Love with My Little Sister