Billionaire Dad, Don't Mess with My Mom

Ridiculous!
On my wedding night, my husband abandoned me to sleep with my sister!
Not only that, they also drugged me, leading me to have a one-night stand with a stranger!
I divorced my jerk of a husband and, filled with humiliation, went abroad to give birth and study medicine...
Four years later, I returned home with top-notch medical skills and three children.
To those who once hurt me, I will take my revenge; I will make them kneel before me and beg for my forgiveness!
And just as I was busy raising my kids, building my career, and plotting my revenge, the man I had a one-night stand with back then came after me, and his identity turned out to be...