Nah he won't choose the demon king; just like someone has said here he killed himself so many times just to kill a psychopathic a-hole that would actually do what the demon king wants him to do right now. At least that's what I think he will do.
Oh, and someone also said that if he did choose...
wow just wow some people here still blame her?! seriously if you still cannot put the pieces together, that this manhwa is about post-partum depression a freaking form of DEPRESSION could you give us a favor just stop reading this if you still can't face the reality that this kind of situation...