Hm, doesn't it make more sense for Dylan never marry so the aristocrats will still be at each others' throats vying for the position, thus creating more internal strife? Remiya will work hard to keep the position of empress which will most likely be against the goal of destroying the dynasty.
Whenever Aisha talks about the female lead, the illustrations makes them look really similar. So my theory is that Aisha was meant to be Deborah's birth mother. Which means the female lead won't exist in this timeline if she continues down this path. But that might also just be the artist's...
She should just buy the diamond mine under her alias. It will leave the Duke at ease without revealing her secret and she can give it to Abel in the future since it will be in her possession.
I was pretty sure that if the butler's wife hasn't shown herself at this point, she probably died. He also stated that he wished he had child which meant they were infertile or...she died really young. Nevertheless, it still hit me in the feels.
I thought of Le Petit Prince first, then the Chinese proverb man's greed is like a snake wanting to swallow an elephant (人心不足蛇吞象). Apparently my mind was not dirty enough.