If you want that feeling of loosing control as with the Sub, play with the morality. So with the Sub, the MC feels guilty but can't stop. Do that with the Dom as well. Why does he like forcing the girls to do this? Why does he enjoy NTRing others? Why does being mean and powerful feel so good? You create this spiral into vice where corrupting his mother and sister, taking over his best trans girl friend. It all feels rotten but too pleasurable to stop. Abuse of power, lack of control over lust.
A lot of Sub paths treat the sub way as the easy submission where its hard to compete against the strong Chad or whatever who takes away the sub's women. With the Dom, flip it. It's too easy to grope and harress and degrade. Maybe have the therapist as part of the Dom path but in making the MC more dominant and controlling, shaping them into the bad guy you'd find in the Sub path.
If the sub is the victim, the Dom path is the monster in the Sub path's story.
And I got to Tuesday but didn't go to therapy. What do I press to do that?