The plot goes like this : the emperor from the current dynasty falls for the previous dynasty’s princess who’s adopted by the present dynasty’s royal family. Thence, she doesn’t know the Emperor is her sworn enemy and that she has to restore her own dynasty and avenge her royal parents’ deaths. He falls hard for her but already has an emperess or a concubine who’s the empress dowager’s niece. There’s always a 2nd even a 3rd or a 4th ML fighting for her love. I’d like to find similar dramas. And, I’ve already watched and enjoyed : “My bratty Princess” and “Princes Huai Yu”.  Actually, “Princess Huai Yu” is the original, all others are spin-offs. So yeah, any other spinoffs from this plot?