This is so good. I'm glad the author handled the postpartum depression well. It's really a serious case of mental health disorder and she really portrayed it well in this case.
I don't think there would be NTR. Rather, he's a piece that will make the couple understand each other well.
It's been 24 chapters and I'm surprised how wholesome the male lead is despite his possessiveness. I like the part where he's trying to control his possessiveness and tries to adjust to the female lead. Wonder why other readers couldn't see his development...