She mainly married her husband for revenge. So, our MC was victim of child trafficking. She and other orphans experienced a life worse than hell. Eventually, she was the only one to survive and adopted by some aristocrats. However, the abuse continued. She married the ML to get revenge. Consequently becoming known for her ruthless behavior in paying back the favor to all the corrupt nobility. She abandoned her child thinking it was in their best interests due to her being mentally unstable.
So, I investigated for spoilers
She mainly married her husband for revenge. So, our MC was victim of child trafficking. She and other orphans experienced a life worse than hell. Eventually, she was the only one to survive and adopted by some aristocrats. However, the abuse continued. She married the ML to get revenge. Consequently becoming known for her ruthless behavior in paying back the favor to all the corrupt nobility. She abandoned her child thinking it was in their best interests due to her being mentally unstable.
Someone said it was a HE