Thank you so much for trying the game and asking! We never intended to have any 'male' Doms, but we do always listen to fans and we are keeping track of what people are asking for.
One thing we have done, based on fan feedback, is create one of the Mistresses (Furia) as a futa. We are also adding a 'male bull' to Lady Angelica, which means getting to play with a more Dominant male slave than the player. We are also exploring whether to include an androgynous Mistress.
For now, this is the direction we are going in, but if people keep asking for a fully Male Dominant, we may move in that direction. Another option to go in is to release a Dominatrix Simulator 2, that has other types of creatures that can 'be in charge'.
We just don't want to do want everyone else already does, so sticking with women keeps us in a unique space. I hope that helps!