Interesting theory. i don’t remember it being discussed whether she was tested for compatibility either.
You see how she through up that food she could have saved her calories if it was so much of a biggie shes def not their bio mom she dont give an f about her body just money
I think yall have memory issues because none of the characters are likable but the real sua is a liar and she talking about i will stop lying shes on some bull crap
the real yeong chae can still go ahead and steal sehun from jeong won so her mother can get the shares and not be dependant on jeong won and if she gets pregnant which still wouldnt happen the way shes been acting towards sehun id what revenge is happening she married in now what nothing criminal towards her or her business to unearth its purely greed shes made it now so all she has to do is try and stay there and get her simp haneul to believe its for revenge and shes such an angel and way above the rest of them.