I admit k1 is a bit stress. Yeah his mother never thought him how to survive but atleast taught him how to feminine and love and enjoy. So, as long as he being a sub and continues to satisfy the mistresses, especially olivia and be careful with mistress like Julliate, he won't end up as dead. And he can be happy too because of the upbringing, his mother always taught to follow the female (olivia) and support her.  And that's how k4 path will run and rise.. So yeah, sub-MC (not slave MC) feels more natural and canon.
And yeah, that concludes that unfortunately Dom paths are just a after thought and may be a "what if" Scenario. This all makes sense if you Observe the story and faction sheets. MC never meant to be a king.
Yes, Alexander needs a male heir but rest of the world, even decocks and new Paris are habituated with femdom and slavery and wants to maintain that status quo. And we know who is trying so hard to maintain the status quo. The so called "soft" Karlsson's mistress "Dominique" and the brutal juli is her loyal sister. That's why we have threesome scene (actually five some) in Dom path last update with those two sisters.
Veronica is pragmatic. She plays by the situation but her ultimate goal is island4.  And its proved in upcoming spin off game (although tess clarified that no path is canon. Spin off game is just a one possibility).
That leaves Alessandra.
Even through callista agreed to put him under programme, after alexander died, why MC is still in the program? Who are those "two women" who trapped him jail? Evil Dom MC is a choice to kill him and that's how you get "demon" Stat (but tess is dropping that stat for whatever reason). Why Callista not trying to get him out?
Again, Alessandra Alessandra Alessandra.
Why you think she don't have romance path for absolute DOM MC?