Cool spin on the ol' sprit gives MC power to corrupt all the women in his life. Well, not much corruption yet. I like the more linear approach, as sandboxes often feel too grindy and repetive. I hope this will focus on plot and nice character moments.
The models range from decent to excellent, and I especially like the succubus, who apparently will grow bustier as the MC gains more power (again, would be way easier to pull of in linear plot focused game!) Maybe we could see a similar transformation of the MC? A bit of height, muscle and inches gained at crucial plot points?
In any case, I like what I played and hope it will continue to get regular updates!