I think similarly. I have read a couple like this. The female dies after being treated poorly by the Male who loved her knowingly or unknowingly and either he or her secret power goes back in time with both of them remembering what happened and the guy acts "differently" and the female will always forgive him and they end up together because he made mistakes for specific reasons or there was a misunderstanding that is supposably so good {never is} that he is completely and totally forgiven for all wrong doings (I always think its BS especially for one I remember who was a cheater). This feels eerily similar to those I have only read to chapter 7 so far. So, we will see.
I think MC does remember the past that's why he's been forcing to get married to MC. I think after MC commit suicide he tried to turn back time